23169228 has 24 divisors (see below), whose sum is σ = 54141360. Its totient is φ = 7711680.

The previous prime is 23169221. The next prime is 23169233. The reversal of 23169228 is 82296132.

It is a happy number.

It is a super-2 number, since 2×23169228² = 1073626252231968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23169221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12438 + ... + 14178.

It is an arithmetic number, because the mean of its divisors is an integer number (2255890).

Almost surely, 2^23169228 is an apocalyptic number.

It is an amenable number.

23169228 is an abundant number, since it is smaller than the sum of its proper divisors (30972132).

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

23169228 is a wasteful number, since it uses less digits than its factorization.

23169228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857 (or 2855 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 23169228 is about 4813.4424272032. The cubic root of 23169228 is about 285.0824753609.

The spelling of 23169228 in words is "twenty-three million, one hundred sixty-nine thousand, two hundred twenty-eight".