23612228 has 12 divisors (see below), whose sum is σ = 42329532. Its totient is φ = 11518080.

The previous prime is 23612227. The next prime is 23612243. The reversal of 23612228 is 82221632.

It can be written as a sum of positive squares in 2 ways, for example, as 11235904 + 12376324 = 3352^2 + 3518^2 .

It is a super-2 number, since 2×23612228² = 1115074622247968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23612197 and 23612206.

It is not an unprimeable number, because it can be changed into a prime (23612227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71825 + ... + 72152.

It is an arithmetic number, because the mean of its divisors is an integer number (3527461).

Almost surely, 2^23612228 is an apocalyptic number.

It is an amenable number.

23612228 is a deficient number, since it is larger than the sum of its proper divisors (18717304).

23612228 is a wasteful number, since it uses less digits than its factorization.

23612228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144022 (or 144020 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 23612228 is about 4859.2415045972. The cubic root of 23612228 is about 286.8879602494.

The spelling of 23612228 in words is "twenty-three million, six hundred twelve thousand, two hundred twenty-eight".