20232228 has 24 divisors (see below), whose sum is σ = 47353600. Its totient is φ = 6723360.

The previous prime is 20232211. The next prime is 20232239. The reversal of 20232228 is 82223202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773 + ... + 6603.

Almost surely, 2^20232228 is an apocalyptic number.

It is an amenable number.

20232228 is an abundant number, since it is smaller than the sum of its proper divisors (27121372).

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

20232228 is a wasteful number, since it uses less digits than its factorization.

20232228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187 (or 5185 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20232228 is about 4498.0248998866. The cubic root of 20232228 is about 272.4883276430.

The spelling of 20232228 in words is "twenty million, two hundred thirty-two thousand, two hundred twenty-eight".