22468825 has 6 divisors (see below), whose sum is σ = 27861374. Its totient is φ = 17975040.

The previous prime is 22468813. The next prime is 22468829. The reversal of 22468825 is 52886422.

It can be written as a sum of positive squares in 3 ways, for example, as 7929856 + 14538969 = 2816^2 + 3813^2 .

It is not a de Polignac number, because 22468825 - 2¹¹ = 22466777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22468829) 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, 449352 + ... + 449401.

Almost surely, 2^22468825 is an apocalyptic number.

22468825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22468825 is a deficient number, since it is larger than the sum of its proper divisors (5392549).

22468825 is an equidigital number, since it uses as much as digits as its factorization.

22468825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898763 (or 898758 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 22468825 is about 4740.1292176480. The cubic root of 22468825 is about 282.1803626292.

The spelling of 22468825 in words is "twenty-two million, four hundred sixty-eight thousand, eight hundred twenty-five".