22666256000 has 64 divisors (see below), whose sum is σ = 56354018760. Its totient is φ = 9066496000.

The previous prime is 22666255999. The next prime is 22666256047. The reversal of 22666256000 is 65266622.

It can be written as a sum of positive squares in 4 ways, for example, as 7706030656 + 14960225344 = 87784^2 + 122312^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×22666256000² (a number of 22 digits) contains 22 as substring.

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, 692321 + ... + 724320.

Almost surely, 2^22666256000 is an apocalyptic number.

22666256000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22666256000 is an abundant number, since it is smaller than the sum of its proper divisors (33687762760).

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

22666256000 is an equidigital number, since it uses as much as digits as its factorization.

22666256000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416670 (or 1416648 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 22666256000 in words is "twenty-two billion, six hundred sixty-six million, two hundred fifty-six thousand".