22242900 has 36 divisors (see below), whose sum is σ = 64356992. Its totient is φ = 5931360.

The previous prime is 22242893. The next prime is 22242917. The reversal of 22242900 is 924222.

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, 36772 + ... + 37371.

Almost surely, 2^22242900 is an apocalyptic number.

22242900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22242900 is an abundant number, since it is smaller than the sum of its proper divisors (42114092).

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

22242900 is a wasteful number, since it uses less digits than its factorization.

22242900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74160 (or 74153 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22242900 is about 4716.2379074852. The cubic root of 22242900 is about 281.2313963003.

The spelling of 22242900 in words is "twenty-two million, two hundred forty-two thousand, nine hundred".