22553650 has 24 divisors (see below), whose sum is σ = 47943360. Its totient is φ = 7732560.

The previous prime is 22553623. The next prime is 22553651. The reversal of 22553650 is 5635522.

It is not an unprimeable number, because it can be changed into a prime (22553651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31870 + ... + 32569.

It is an arithmetic number, because the mean of its divisors is an integer number (1997640).

Almost surely, 2^22553650 is an apocalyptic number.

22553650 is an abundant number, since it is smaller than the sum of its proper divisors (25389710).

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

22553650 is a wasteful number, since it uses less digits than its factorization.

22553650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64458 (or 64453 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 22553650 is about 4749.0683296832. The cubic root of 22553650 is about 282.5350153689.

The spelling of 22553650 in words is "twenty-two million, five hundred fifty-three thousand, six hundred fifty".