22723625 has 8 divisors (see below), whose sum is σ = 28359240. Its totient is φ = 18178800.

The previous prime is 22723583. The next prime is 22723643. The reversal of 22723625 is 52632722.

It can be written as a sum of positive squares in 4 ways, for example, as 218089 + 22505536 = 467^2 + 4744^2 .

It is not a de Polignac number, because 22723625 - 2⁸ = 22723369 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 90770 + ... + 91019.

It is an arithmetic number, because the mean of its divisors is an integer number (3544905).

Almost surely, 2^22723625 is an apocalyptic number.

22723625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22723625 is a deficient number, since it is larger than the sum of its proper divisors (5635615).

22723625 is an equidigital number, since it uses as much as digits as its factorization.

22723625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181804 (or 181794 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 22723625 is about 4766.9303540119. The cubic root of 22723625 is about 283.2430123486.

The spelling of 22723625 in words is "twenty-two million, seven hundred twenty-three thousand, six hundred twenty-five".