22106556400 has 60 divisors (see below), whose sum is σ = 53127416592. Its totient is φ = 8839889920.

The previous prime is 22106556391. The next prime is 22106556473. The reversal of 22106556400 is 465560122.

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, 1728429 + ... + 1741171.

Almost surely, 2^22106556400 is an apocalyptic number.

22106556400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22106556400 is an abundant number, since it is smaller than the sum of its proper divisors (31020860192).

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

22106556400 is a wasteful number, since it uses less digits than its factorization.

22106556400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098 (or 17087 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 22106556400 in words is "twenty-two billion, one hundred six million, five hundred fifty-six thousand, four hundred".