22445531400 has 96 divisors (see below), whose sum is σ = 71825760000. Its totient is φ = 5792390400.

The previous prime is 22445531399. The next prime is 22445531473. The reversal of 22445531400 is 413554422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584775 + ... + 621974.

It is an arithmetic number, because the mean of its divisors is an integer number (748185000).

Almost surely, 2^22445531400 is an apocalyptic number.

22445531400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22445531400 is an abundant number, since it is smaller than the sum of its proper divisors (49380228600).

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

22445531400 is a wasteful number, since it uses less digits than its factorization.

22445531400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206799 (or 1206790 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 22445531400 in words is "twenty-two billion, four hundred forty-five million, five hundred thirty-one thousand, four hundred".