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22386253372 = 22723179194197
BaseRepresentation
bin10100110110010100…
…110001111000111100
32010210010200111111021
4110312110301320330
5331321340101442
614141211033524
71421516004550
oct246624617074
963703614437
1022386253372
11954850254a
12440913b8a4
132159b8c592
1411251a7860
158b04c8e67
hex536531e3c

22386253372 has 48 divisors (see below), whose sum is σ = 46980380160. Its totient is φ = 9125658432.

The previous prime is 22386253369. The next prime is 22386253387. The reversal of 22386253372 is 27335268322.

It is a super-2 number, since 2×223862533722 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18178 + ... + 212374.

It is an arithmetic number, because the mean of its divisors is an integer number (978757920).

Almost surely, 222386253372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22386253372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23490190080).

22386253372 is an abundant number, since it is smaller than the sum of its proper divisors (24594126788).

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

22386253372 is a wasteful number, since it uses less digits than its factorization.

22386253372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194410 (or 194408 counting only the distinct ones).

The product of its digits is 725760, while the sum is 43.

The spelling of 22386253372 in words is "twenty-two billion, three hundred eighty-six million, two hundred fifty-three thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 179 322 358 644 716 1253 2506 4117 5012 8234 16468 28819 57638 115276 194197 388394 776788 1359379 2718758 4466531 5437516 8933062 17866124 31265717 34761263 62531434 69522526 125062868 139045052 243328841 486657682 799509049 973315364 1599018098 3198036196 5596563343 11193126686 22386253372