22264650 has 36 divisors (see below), whose sum is σ = 59818902. Its totient is φ = 5937120.

The previous prime is 22264631. The next prime is 22264651. The reversal of 22264650 is 5646222.

22264650 is a `hidden beast` number, since 2 + 2 + 2 + 6 + 4 + 650 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 13461561 + 8803089 = 3669^2 + 2967^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22264651) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24289 + ... + 25188.

Almost surely, 2^22264650 is an apocalyptic number.

22264650 is an abundant number, since it is smaller than the sum of its proper divisors (37554252).

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

22264650 is a wasteful number, since it uses less digits than its factorization.

22264650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49495 (or 49487 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22264650 is about 4718.5432073893. The cubic root of 22264650 is about 281.3230328856.

The spelling of 22264650 in words is "twenty-two million, two hundred sixty-four thousand, six hundred fifty".