22563996408 has 48 divisors (see below), whose sum is σ = 61126621920. Its totient is φ = 7519387776.

The previous prime is 22563996379. The next prime is 22563996409. The reversal of 22563996408 is 80469936522.

It is a happy number.

22563996408 is a `hidden beast` number, since 225 + 6 + 3 + 9 + 9 + 6 + 408 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22563996409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254785 + ... + 331727.

It is an arithmetic number, because the mean of its divisors is an integer number (1273471290).

Almost surely, 2^22563996408 is an apocalyptic number.

It is an amenable number.

22563996408 is an abundant number, since it is smaller than the sum of its proper divisors (38562625512).

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

22563996408 is a wasteful number, since it uses less digits than its factorization.

22563996408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81028 (or 81021 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 22563996408 in words is "twenty-two billion, five hundred sixty-three million, nine hundred ninety-six thousand, four hundred eight".