22804100 has 36 divisors (see below), whose sum is σ = 53986128. Its totient is φ = 8292000.

The previous prime is 22804081. The next prime is 22804141. The reversal of 22804100 is 140822.

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, 9266 + ... + 11465.

Almost surely, 2^22804100 is an apocalyptic number.

22804100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22804100 is an abundant number, since it is smaller than the sum of its proper divisors (31182028).

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

22804100 is a wasteful number, since it uses less digits than its factorization.

22804100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20756 (or 20749 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 22804100 is about 4775.3638604823. The cubic root of 22804100 is about 283.5769838016.

Adding to 22804100 its reverse (140822), we get a palindrome (22944922).

Subtracting from 22804100 its reverse (140822), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 22804100 in words is "twenty-two million, eight hundred four thousand, one hundred".