23022100 has 18 divisors (see below), whose sum is σ = 49958174. Its totient is φ = 9208800.

The previous prime is 23022079. The next prime is 23022137. The reversal of 23022100 is 122032.

It can be written as a sum of positive squares in 3 ways, for example, as 1296 + 23020804 = 36^2 + 4798^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115011 + ... + 115210.

Almost surely, 2^23022100 is an apocalyptic number.

23022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23022100 is an abundant number, since it is smaller than the sum of its proper divisors (26936074).

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

23022100 is a wasteful number, since it uses less digits than its factorization.

23022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230235 (or 230228 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 23022100 is about 4798.1350543727. The cubic root of 23022100 is about 284.4777550010.

Adding to 23022100 its reverse (122032), we get a palindrome (23144132).

The spelling of 23022100 in words is "twenty-three million, twenty-two thousand, one hundred".