33223172 has 48 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 15069600.

The previous prime is 33223163. The next prime is 33223187. The reversal of 33223172 is 27132233.

It is a super-2 number, since 2×33223172² = 2207558315483168, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 253547 + ... + 253677.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^33223172 is an apocalyptic number.

It is an amenable number.

33223172 is a deficient number, since it is larger than the sum of its proper divisors (30643708).

33223172 is a wasteful number, since it uses less digits than its factorization.

33223172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its digits is 1512, while the sum is 23.

The square root of 33223172 is about 5763.9545452753. The cubic root of 33223172 is about 321.4748715996.

The spelling of 33223172 in words is "thirty-three million, two hundred twenty-three thousand, one hundred seventy-two".