22650572 has 24 divisors (see below), whose sum is σ = 46072320. Its totient is φ = 9542160.

The previous prime is 22650571. The next prime is 22650583. The reversal of 22650572 is 27505622.

It is not an unprimeable number, because it can be changed into a prime (22650571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5204 + ... + 8507.

It is an arithmetic number, because the mean of its divisors is an integer number (1919680).

Almost surely, 2^22650572 is an apocalyptic number.

It is an amenable number.

22650572 is an abundant number, since it is smaller than the sum of its proper divisors (23421748).

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

22650572 is a wasteful number, since it uses less digits than its factorization.

22650572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13781 (or 13779 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 22650572 is about 4759.2617074500. The cubic root of 22650572 is about 282.9391587589.

The spelling of 22650572 in words is "twenty-two million, six hundred fifty thousand, five hundred seventy-two".