22563490100 has 36 divisors (see below), whose sum is σ = 49467565644. Its totient is φ = 8932346880.

The previous prime is 22563490099. The next prime is 22563490171. The reversal of 22563490100 is 109436522.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 208455844 + 22355034256 = 14438^2 + 149516^2 .

It is a super-2 number, since 2×22563490100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1153367 + ... + 1172766.

Almost surely, 2^22563490100 is an apocalyptic number.

22563490100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22563490100 is an abundant number, since it is smaller than the sum of its proper divisors (26904075544).

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

22563490100 is a wasteful number, since it uses less digits than its factorization.

22563490100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326244 (or 2326237 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 22563490100 in words is "twenty-two billion, five hundred sixty-three million, four hundred ninety thousand, one hundred".