23220200 has 24 divisors (see below), whose sum is σ = 53987430. Its totient is φ = 9288000.

The previous prime is 23220187. The next prime is 23220221. The reversal of 23220200 is 202232.

It can be written as a sum of positive squares in 3 ways, for example, as 9721924 + 13498276 = 3118^2 + 3674^2 .

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 5 ways as a sum of consecutive naturals, for example, 57851 + ... + 58250.

Almost surely, 2^23220200 is an apocalyptic number.

23220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220200 is an abundant number, since it is smaller than the sum of its proper divisors (30767230).

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

23220200 is a wasteful number, since it uses less digits than its factorization.

23220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116117 (or 116108 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 23220200 is about 4818.7342736449. The cubic root of 23220200 is about 285.2913814837.

Adding to 23220200 its reverse (202232), we get a palindrome (23422432).

The spelling of 23220200 in words is "twenty-three million, two hundred twenty thousand, two hundred".