22922825 has 6 divisors (see below), whose sum is σ = 28424334. Its totient is φ = 18338240.

The previous prime is 22922807. The next prime is 22922831. The reversal of 22922825 is 52822922.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5973136 + 16949689 = 2444^2 + 4117^2 .

It is not a de Polignac number, because 22922825 - 2²⁴ = 6145609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22922791 and 22922800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458432 + ... + 458481.

It is an arithmetic number, because the mean of its divisors is an integer number (4737389).

Almost surely, 2^22922825 is an apocalyptic number.

22922825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22922825 is a deficient number, since it is larger than the sum of its proper divisors (5501509).

22922825 is an equidigital number, since it uses as much as digits as its factorization.

22922825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916923 (or 916918 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 22922825 is about 4787.7787125138. The cubic root of 22922825 is about 284.0682612152.

The spelling of 22922825 in words is "twenty-two million, nine hundred twenty-two thousand, eight hundred twenty-five".