22056656532 has 24 divisors (see below), whose sum is σ = 51492974400. Its totient is φ = 7348298496.

The previous prime is 22056656459. The next prime is 22056656533. The reversal of 22056656532 is 23565665022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056656533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466557 + ... + 511652.

It is an arithmetic number, because the mean of its divisors is an integer number (2145540600).

Almost surely, 2^22056656532 is an apocalyptic number.

It is an amenable number.

22056656532 is an abundant number, since it is smaller than the sum of its proper divisors (29436317868).

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

22056656532 is a wasteful number, since it uses less digits than its factorization.

22056656532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980095 (or 980093 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 22056656532 in words is "twenty-two billion, fifty-six million, six hundred fifty-six thousand, five hundred thirty-two".