33228902 has 16 divisors (see below), whose sum is σ = 57553440. Its totient is φ = 14093568.

The previous prime is 33228889. The next prime is 33228907. The reversal of 33228902 is 20982233.

It is a super-2 number, since 2×33228902² = 2208319856251208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33228907) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10877 + ... + 13592.

It is an arithmetic number, because the mean of its divisors is an integer number (3597090).

Almost surely, 2^33228902 is an apocalyptic number.

33228902 is a deficient number, since it is larger than the sum of its proper divisors (24324538).

33228902 is a wasteful number, since it uses less digits than its factorization.

33228902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24575.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 33228902 is about 5764.4515784244. The cubic root of 33228902 is about 321.4933521261.

The spelling of 33228902 in words is "thirty-three million, two hundred twenty-eight thousand, nine hundred two".