22550660 has 24 divisors (see below), whose sum is σ = 51662016. Its totient is φ = 8200160.

The previous prime is 22550651. The next prime is 22550669. The reversal of 22550660 is 6605522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22550651) and next prime (22550669).

It is not an unprimeable number, because it can be changed into a prime (22550669) 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, 51032 + ... + 51471.

It is an arithmetic number, because the mean of its divisors is an integer number (2152584).

Almost surely, 2^22550660 is an apocalyptic number.

22550660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22550660 is an abundant number, since it is smaller than the sum of its proper divisors (29111356).

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

22550660 is a wasteful number, since it uses less digits than its factorization.

22550660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102523 (or 102521 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 22550660 is about 4748.7535206620. The cubic root of 22550660 is about 282.5225293333.

The spelling of 22550660 in words is "twenty-two million, five hundred fifty thousand, six hundred sixty".