33402272 has 24 divisors (see below), whose sum is σ = 65969316. Its totient is φ = 16648192.

The previous prime is 33402251. The next prime is 33402277. The reversal of 33402272 is 27220433.

It can be written as a sum of positive squares in 2 ways, for example, as 31854736 + 1547536 = 5644^2 + 1244^2 .

It is a super-2 number, since 2×33402272² = 2231423549523968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33402277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9818 + ... + 12774.

Almost surely, 2^33402272 is an apocalyptic number.

33402272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33402272 is a deficient number, since it is larger than the sum of its proper divisors (32567044).

33402272 is a wasteful number, since it uses less digits than its factorization.

33402272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 33402272 is about 5779.4698718827. The cubic root of 33402272 is about 322.0515072627.

The spelling of 33402272 in words is "thirty-three million, four hundred two thousand, two hundred seventy-two".