22825100 has 18 divisors (see below), whose sum is σ = 49530684. Its totient is φ = 9130000.

The previous prime is 22825097. The next prime is 22825111. The reversal of 22825100 is 152822.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 114026 + ... + 114225.

Almost surely, 2^22825100 is an apocalyptic number.

22825100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22825100 is an abundant number, since it is smaller than the sum of its proper divisors (26705584).

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

22825100 is a wasteful number, since it uses less digits than its factorization.

22825100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228265 (or 228258 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 22825100 is about 4777.5621398366. The cubic root of 22825100 is about 283.6640045508.

Adding to 22825100 its reverse (152822), we get a palindrome (22977922).

The spelling of 22825100 in words is "twenty-two million, eight hundred twenty-five thousand, one hundred".