22868500 has 24 divisors (see below), whose sum is σ = 49945896. Its totient is φ = 9147200.

The previous prime is 22868477. The next prime is 22868513. The reversal of 22868500 is 586822.

It can be written as a sum of positive squares in 4 ways, for example, as 2762244 + 20106256 = 1662^2 + 4484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22369 + ... + 23368.

It is an arithmetic number, because the mean of its divisors is an integer number (2081079).

Almost surely, 2^22868500 is an apocalyptic number.

22868500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22868500 is an abundant number, since it is smaller than the sum of its proper divisors (27077396).

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

22868500 is a wasteful number, since it uses less digits than its factorization.

22868500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45756 (or 45744 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 22868500 is about 4782.1020482629. The cubic root of 22868500 is about 283.8436784367.

The spelling of 22868500 in words is "twenty-two million, eight hundred sixty-eight thousand, five hundred".