22256432001 has 24 divisors (see below), whose sum is σ = 32686072640. Its totient is φ = 14589525600.

The previous prime is 22256431997. The next prime is 22256432047. The reversal of 22256432001 is 10023465222.

It is a happy number.

22256432001 is a `hidden beast` number, since 2 + 225 + 6 + 432 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 22256432001 - 2² = 22256431997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22256432101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2476446 + ... + 2485416.

Almost surely, 2^22256432001 is an apocalyptic number.

It is an amenable number.

22256432001 is a deficient number, since it is larger than the sum of its proper divisors (10429640639).

22256432001 is a wasteful number, since it uses less digits than its factorization.

22256432001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13557 (or 13554 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 22256432001 its reverse (10023465222), we get a palindrome (32279897223).

The spelling of 22256432001 in words is "twenty-two billion, two hundred fifty-six million, four hundred thirty-two thousand, one".