22650520 has 32 divisors (see below), whose sum is σ = 51804720. Its totient is φ = 8910720.

The previous prime is 22650503. The next prime is 22650539. The reversal of 22650520 is 2505622.

It is a junction number, because it is equal to n+sod(n) for n = 22650491 and 22650500.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2202 + ... + 7081.

Almost surely, 2^22650520 is an apocalyptic number.

22650520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22650520 is an abundant number, since it is smaller than the sum of its proper divisors (29154200).

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

22650520 is a wasteful number, since it uses less digits than its factorization.

22650520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355 (or 9351 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22650520 is about 4759.2562444147. The cubic root of 22650520 is about 282.9389422397.

The spelling of 22650520 in words is "twenty-two million, six hundred fifty thousand, five hundred twenty".