22825420 has 12 divisors (see below), whose sum is σ = 47933424. Its totient is φ = 9130160.

The previous prime is 22825399. The next prime is 22825423. The reversal of 22825420 is 2452822.

It is not an unprimeable number, because it can be changed into a prime (22825423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570616 + ... + 570655.

It is an arithmetic number, because the mean of its divisors is an integer number (3994452).

Almost surely, 2^22825420 is an apocalyptic number.

22825420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22825420 is an abundant number, since it is smaller than the sum of its proper divisors (25108004).

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

22825420 is a wasteful number, since it uses less digits than its factorization.

22825420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141280 (or 1141278 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 22825420 is about 4777.5956296028. The cubic root of 22825420 is about 283.6653301683.

The spelling of 22825420 in words is "twenty-two million, eight hundred twenty-five thousand, four hundred twenty".