22620650 has 36 divisors (see below), whose sum is σ = 45576882. Its totient is φ = 8349120.

The previous prime is 22620649. The next prime is 22620683. The reversal of 22620650 is 5602622.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 4532641 + 18088009 = 2129^2 + 4253^2 .

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 17 ways as a sum of consecutive naturals, for example, 7112 + ... + 9788.

Almost surely, 2^22620650 is an apocalyptic number.

22620650 is an abundant number, since it is smaller than the sum of its proper divisors (22956232).

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

22620650 is a wasteful number, since it uses less digits than its factorization.

22620650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715 (or 2697 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22620650 is about 4756.1171137809. The cubic root of 22620650 is about 282.8145138385.

The spelling of 22620650 in words is "twenty-two million, six hundred twenty thousand, six hundred fifty".