22389289400 has 24 divisors (see below), whose sum is σ = 52055098320. Its totient is φ = 8955715680.

The previous prime is 22389289387. The next prime is 22389289411. The reversal of 22389289400 is 498298322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55973024 + ... + 55973423.

It is an arithmetic number, because the mean of its divisors is an integer number (2168962430).

Almost surely, 2^22389289400 is an apocalyptic number.

22389289400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22389289400 is an abundant number, since it is smaller than the sum of its proper divisors (29665808920).

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

22389289400 is a wasteful number, since it uses less digits than its factorization.

22389289400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111946463 (or 111946454 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 22389289400 in words is "twenty-two billion, three hundred eighty-nine million, two hundred eighty-nine thousand, four hundred".