22454625 has 16 divisors (see below), whose sum is σ = 37365120. Its totient is φ = 11975600.

The previous prime is 22454617. The next prime is 22454639. The reversal of 22454625 is 52645422.

It is a happy number.

It is not a de Polignac number, because 22454625 - 2³ = 22454617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22454592 and 22454601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29565 + ... + 30314.

It is an arithmetic number, because the mean of its divisors is an integer number (2335320).

Almost surely, 2^22454625 is an apocalyptic number.

22454625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22454625 is a deficient number, since it is larger than the sum of its proper divisors (14910495).

22454625 is an equidigital number, since it uses as much as digits as its factorization.

22454625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59897 (or 59887 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 22454625 is about 4738.6311314556. The cubic root of 22454625 is about 282.1209053507.

The spelling of 22454625 in words is "twenty-two million, four hundred fifty-four thousand, six hundred twenty-five".