33220372 has 12 divisors (see below), whose sum is σ = 60663456. Its totient is φ = 15887960.

The previous prime is 33220367. The next prime is 33220387. The reversal of 33220372 is 27302233.

It is a super-2 number, since 2×33220372² = 2207186231636768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180454 + ... + 180637.

It is an arithmetic number, because the mean of its divisors is an integer number (5055288).

Almost surely, 2^33220372 is an apocalyptic number.

It is an amenable number.

33220372 is a deficient number, since it is larger than the sum of its proper divisors (27443084).

33220372 is a wasteful number, since it uses less digits than its factorization.

33220372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361118 (or 361116 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 33220372 is about 5763.7116513580. The cubic root of 33220372 is about 321.4658402030.

The spelling of 33220372 in words is "thirty-three million, two hundred twenty thousand, three hundred seventy-two".