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222030031340 = 225134771255907
BaseRepresentation
bin1100111011001000000…
…1010110100111101100
3210020002122200020020002
43032302001112213230
512114204142000330
6245555454043432
722020053061425
oct3166201264754
9706078606202
10222030031340
1186187189877
12370454a9578
1317c25457490
14aa63c3c64c
155b97535e45
hex33b20569ec

222030031340 has 96 divisors (see below), whose sum is σ = 520037812224. Its totient is φ = 79105662720.

The previous prime is 222030031339. The next prime is 222030031403. The reversal of 222030031340 is 43130030222.

222030031340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 739667 + ... + 995573.

It is an arithmetic number, because the mean of its divisors is an integer number (5417060544).

Almost surely, 2222030031340 is an apocalyptic number.

222030031340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222030031340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260018906112).

222030031340 is an abundant number, since it is smaller than the sum of its proper divisors (298007780884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222030031340 is a wasteful number, since it uses less digits than its factorization.

222030031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256047 (or 256045 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 222030031340 its reverse (43130030222), we get a palindrome (265160061562).

The spelling of 222030031340 in words is "two hundred twenty-two billion, thirty million, thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 47 52 65 71 94 130 142 188 235 260 284 355 470 611 710 923 940 1222 1420 1846 2444 3055 3337 3692 4615 6110 6674 9230 12220 13348 16685 18460 33370 43381 66740 86762 173524 216905 255907 433810 511814 867620 1023628 1279535 2559070 3326791 5118140 6653582 12027629 13307164 16633955 18169397 24055258 33267910 36338794 48110516 60138145 66535820 72677588 90846985 120276290 156359177 181693970 236202161 240552580 312718354 363387940 472404322 625436708 781795885 853961659 944808644 1181010805 1563591770 1707923318 2362021610 3127183540 3415846636 4269808295 4724043220 8539616590 11101501567 17079233180 22203003134 44406006268 55507507835 111015015670 222030031340