22656865474 has 8 divisors (see below), whose sum is σ = 33992367948. Its totient is φ = 11326076160.

The previous prime is 22656865453. The next prime is 22656865477. The reversal of 22656865474 is 47456865622.

It can be written as a sum of positive squares in 2 ways, for example, as 22585581225 + 71284249 = 150285^2 + 8443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22656865477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166247 + ... + 1185514.

Almost surely, 2^22656865474 is an apocalyptic number.

22656865474 is a deficient number, since it is larger than the sum of its proper divisors (11335502474).

22656865474 is a wasteful number, since it uses less digits than its factorization.

22656865474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356580.

The product of its digits is 19353600, while the sum is 55.

The spelling of 22656865474 in words is "twenty-two billion, six hundred fifty-six million, eight hundred sixty-five thousand, four hundred seventy-four".