22457252656 has 20 divisors (see below), whose sum is σ = 43513763800. Its totient is φ = 11227894272.

The previous prime is 22457252621. The next prime is 22457252729. The reversal of 22457252656 is 65625275422.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275815 + ... + 347833.

It is an arithmetic number, because the mean of its divisors is an integer number (2175688190).

Almost surely, 2^22457252656 is an apocalyptic number.

It is an amenable number.

22457252656 is a deficient number, since it is larger than the sum of its proper divisors (21056511144).

22457252656 is a wasteful number, since it uses less digits than its factorization.

22457252656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91516 (or 91510 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 46.

The spelling of 22457252656 in words is "twenty-two billion, four hundred fifty-seven million, two hundred fifty-two thousand, six hundred fifty-six".