33722272 has 12 divisors (see below), whose sum is σ = 66390786. Its totient is φ = 16861120.

The previous prime is 33722267. The next prime is 33722279. The reversal of 33722272 is 27222733.

It can be written as a sum of positive squares in only one way, i.e., 28686736 + 5035536 = 5356^2 + 2244^2 .

It is a super-2 number, since 2×33722272² = 2274383257683968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33722272.

It is not an unprimeable number, because it can be changed into a prime (33722279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526879 + ... + 526942.

Almost surely, 2^33722272 is an apocalyptic number.

33722272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33722272 is a deficient number, since it is larger than the sum of its proper divisors (32668514).

33722272 is a wasteful number, since it uses less digits than its factorization.

33722272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053831 (or 1053823 counting only the distinct ones).

The product of its digits is 7056, while the sum is 28.

The square root of 33722272 is about 5807.0880826796. The cubic root of 33722272 is about 323.0766782718.

The spelling of 33722272 in words is "thirty-three million, seven hundred twenty-two thousand, two hundred seventy-two".