22480825 has 6 divisors (see below), whose sum is σ = 27876254. Its totient is φ = 17984640.

The previous prime is 22480823. The next prime is 22480837. The reversal of 22480825 is 52808422.

It can be written as a sum of positive squares in 3 ways, for example, as 7573504 + 14907321 = 2752^2 + 3861^2 .

It is not a de Polignac number, because 22480825 - 2¹ = 22480823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22480823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449592 + ... + 449641.

Almost surely, 2^22480825 is an apocalyptic number.

22480825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22480825 is a deficient number, since it is larger than the sum of its proper divisors (5395429).

22480825 is an equidigital number, since it uses as much as digits as its factorization.

22480825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899243 (or 899238 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 22480825 is about 4741.3948369652. The cubic root of 22480825 is about 282.2305886900.

The spelling of 22480825 in words is "twenty-two million, four hundred eighty thousand, eight hundred twenty-five".