23622325 has 6 divisors (see below), whose sum is σ = 29291714. Its totient is φ = 18897840.

The previous prime is 23622323. The next prime is 23622331. The reversal of 23622325 is 52322632.

It can be written as a sum of positive squares in 3 ways, for example, as 61009 + 23561316 = 247^2 + 4854^2 .

It is not a de Polignac number, because 23622325 - 2¹ = 23622323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 944893 = 23622325 / (2 + 3 + 6 + 2 + 2 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23622325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23622323) by changing a digit.

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, 472422 + ... + 472471.

Almost surely, 2^23622325 is an apocalyptic number.

23622325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23622325 is a deficient number, since it is larger than the sum of its proper divisors (5669389).

23622325 is an equidigital number, since it uses as much as digits as its factorization.

23622325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944903 (or 944898 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 23622325 is about 4860.2803417087. The cubic root of 23622325 is about 286.9288471850.

Adding to 23622325 its reverse (52322632), we get a palindrome (75944957).

The spelling of 23622325 in words is "twenty-three million, six hundred twenty-two thousand, three hundred twenty-five".