22402100 has 36 divisors (see below), whose sum is σ = 55558944. Its totient is φ = 7680480.

The previous prime is 22402091. The next prime is 22402169. The reversal of 22402100 is 120422.

It is a congruent number.

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, 15302 + ... + 16701.

It is an arithmetic number, because the mean of its divisors is an integer number (1543304).

Almost surely, 2^22402100 is an apocalyptic number.

22402100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22402100 is an abundant number, since it is smaller than the sum of its proper divisors (33156844).

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

22402100 is a wasteful number, since it uses less digits than its factorization.

22402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32024 (or 32017 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22402100 is about 4733.0856742721. The cubic root of 22402100 is about 281.9007581307.

Adding to 22402100 its reverse (120422), we get a palindrome (22522522).

The spelling of 22402100 in words is "twenty-two million, four hundred two thousand, one hundred".