22726900 has 36 divisors (see below), whose sum is σ = 56364448. Its totient is φ = 7791840.

The previous prime is 22726889. The next prime is 22726901. The reversal of 22726900 is 962722.

It is a super-2 number, since 2×22726900² = 1033023967220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22726901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15534 + ... + 16933.

Almost surely, 2^22726900 is an apocalyptic number.

22726900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22726900 is an abundant number, since it is smaller than the sum of its proper divisors (33637548).

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

22726900 is a wasteful number, since it uses less digits than its factorization.

22726900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32488 (or 32481 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 22726900 is about 4767.2738541015. The cubic root of 22726900 is about 283.2566189849.

The spelling of 22726900 in words is "twenty-two million, seven hundred twenty-six thousand, nine hundred".