22824425 has 12 divisors (see below), whose sum is σ = 30479820. Its totient is φ = 16854720.

The previous prime is 22824367. The next prime is 22824437. The reversal of 22824425 is 52442822.

It can be written as a sum of positive squares in 6 ways, for example, as 52441 + 22771984 = 229^2 + 4772^2 .

It is not a de Polignac number, because 22824425 - 2¹⁴ = 22808041 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 34790 + ... + 35439.

It is an arithmetic number, because the mean of its divisors is an integer number (2539985).

Almost surely, 2^22824425 is an apocalyptic number.

22824425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22824425 is a deficient number, since it is larger than the sum of its proper divisors (7655395).

22824425 is a wasteful number, since it uses less digits than its factorization.

22824425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70252 (or 70247 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 22824425 is about 4777.4914965911. The cubic root of 22824425 is about 283.6612082857.

The spelling of 22824425 in words is "twenty-two million, eight hundred twenty-four thousand, four hundred twenty-five".