22455800 has 24 divisors (see below), whose sum is σ = 52210200. Its totient is φ = 8982240.

The previous prime is 22455799. The next prime is 22455821. The reversal of 22455800 is 855422.

It is a self number, because there is not a number n which added to its sum of digits gives 22455800.

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, 55940 + ... + 56339.

It is an arithmetic number, because the mean of its divisors is an integer number (2175425).

Almost surely, 2^22455800 is an apocalyptic number.

22455800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22455800 is an abundant number, since it is smaller than the sum of its proper divisors (29754400).

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

22455800 is a wasteful number, since it uses less digits than its factorization.

22455800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112295 (or 112286 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 22455800 is about 4738.7551107860. The cubic root of 22455800 is about 282.1258261822.

The spelling of 22455800 in words is "twenty-two million, four hundred fifty-five thousand, eight hundred".