23022500 has 30 divisors (see below), whose sum is σ = 50351070. Its totient is φ = 9208000.

The previous prime is 23022479. The next prime is 23022523. The reversal of 23022500 is 522032.

It can be written as a sum of positive squares in 5 ways, for example, as 13424896 + 9597604 = 3664^2 + 3098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2105 + ... + 7104.

It is an arithmetic number, because the mean of its divisors is an integer number (1678369).

Almost surely, 2^23022500 is an apocalyptic number.

23022500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23022500 is an abundant number, since it is smaller than the sum of its proper divisors (27328570).

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

23022500 is an equidigital number, since it uses as much as digits as its factorization.

23022500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233 (or 9216 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 23022500 is about 4798.1767370534. The cubic root of 23022500 is about 284.4794025548.

Adding to 23022500 its reverse (522032), we get a palindrome (23544532).

The spelling of 23022500 in words is "twenty-three million, twenty-two thousand, five hundred".