33502228 has 6 divisors (see below), whose sum is σ = 58628906. Its totient is φ = 16751112.

The previous prime is 33502193. The next prime is 33502243. The reversal of 33502228 is 82220533.

It can be written as a sum of positive squares in only one way, i.e., 27751824 + 5750404 = 5268^2 + 2398^2 .

It is a super-2 number, since 2×33502228² = 2244798561927968, 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 as a sum of consecutive naturals, namely, 4187775 + ... + 4187782.

Almost surely, 2^33502228 is an apocalyptic number.

It is an amenable number.

33502228 is a deficient number, since it is larger than the sum of its proper divisors (25126678).

33502228 is a wasteful number, since it uses less digits than its factorization.

33502228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8375561 (or 8375559 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 33502228 is about 5788.1109180803. The cubic root of 33502228 is about 322.3724327707.

The spelling of 33502228 in words is "thirty-three million, five hundred two thousand, two hundred twenty-eight".