22822520 has 32 divisors (see below), whose sum is σ = 58687200. Its totient is φ = 7824768.

The previous prime is 22822519. The next prime is 22822523. The reversal of 22822520 is 2522822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22822523) 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, 40475 + ... + 41034.

It is an arithmetic number, because the mean of its divisors is an integer number (1833975).

Almost surely, 2^22822520 is an apocalyptic number.

22822520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22822520 is an abundant number, since it is smaller than the sum of its proper divisors (35864680).

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

22822520 is a wasteful number, since it uses less digits than its factorization.

22822520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81527 (or 81523 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 22822520 is about 4777.2921200195. The cubic root of 22822520 is about 283.6533163069.

The spelling of 22822520 in words is "twenty-two million, eight hundred twenty-two thousand, five hundred twenty".