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1222241120 = 25519402053
BaseRepresentation
bin100100011011001…
…1110101101100000
310011011212021121122
41020312132231200
510000343203440
6321140511412
742200610122
oct11066365540
93134767548
101222241120
11577a17931
122a13ab568
131662b09c9
14b847d212
15724807b5
hex48d9eb60

1222241120 has 48 divisors (see below), whose sum is σ = 3039528240. Its totient is φ = 463163904.

The previous prime is 1222241113. The next prime is 1222241143. The reversal of 1222241120 is 211422221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197987 + ... + 204066.

It is an arithmetic number, because the mean of its divisors is an integer number (63323505).

Almost surely, 21222241120 is an apocalyptic number.

1222241120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222241120 is an abundant number, since it is smaller than the sum of its proper divisors (1817287120).

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

1222241120 is a wasteful number, since it uses less digits than its factorization.

1222241120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402087 (or 402079 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1222241120 is about 34960.5652128223. The cubic root of 1222241120 is about 1069.1836204494.

Adding to 1222241120 its reverse (211422221), we get a palindrome (1433663341).

The spelling of 1222241120 in words is "one billion, two hundred twenty-two million, two hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 402053 804106 1608212 2010265 3216424 4020530 6432848 7639007 8041060 12865696 15278014 16082120 30556028 32164240 38195035 61112056 64328480 76390070 122224112 152780140 244448224 305560280 611120560 1222241120