23325225 has 72 divisors (see below), whose sum is σ = 49023648. Its totient is φ = 9676800.

The previous prime is 23325223. The next prime is 23325227. The reversal of 23325225 is 52252332.

It is an interprime number because it is at equal distance from previous prime (23325223) and next prime (23325227).

It is not a de Polignac number, because 23325225 - 2¹ = 23325223 is a prime.

It is a super-2 number, since 2×23325225² = 1088132242601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23325195 and 23325204.

It is not an unprimeable number, because it can be changed into a prime (23325223) 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 71 ways as a sum of consecutive naturals, for example, 40137 + ... + 40713.

It is an arithmetic number, because the mean of its divisors is an integer number (680884).

Almost surely, 2^23325225 is an apocalyptic number.

23325225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23325225 is an abundant number, since it is smaller than the sum of its proper divisors (25698423).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23325225 is a wasteful number, since it uses less digits than its factorization.

23325225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 603 counting only the distinct ones).

The product of its digits is 3600, while the sum is 24.

The square root of 23325225 is about 4829.6195502337. The cubic root of 23325225 is about 285.7208590750.

Adding to 23325225 its reverse (52252332), we get a palindrome (75577557).

It can be divided in two parts, 2332 and 5225, that added together give a palindrome (7557).

The spelling of 23325225 in words is "twenty-three million, three hundred twenty-five thousand, two hundred twenty-five".