33228402 has 16 divisors (see below), whose sum is σ = 66513312. Its totient is φ = 11066720.

The previous prime is 33228361. The next prime is 33228413. The reversal of 33228402 is 20482233.

It is a super-2 number, since 2×33228402² = 2208253398947208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12577 + ... + 14987.

It is an arithmetic number, because the mean of its divisors is an integer number (4157082).

Almost surely, 2^33228402 is an apocalyptic number.

33228402 is an abundant number, since it is smaller than the sum of its proper divisors (33284910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33228402 is a wasteful number, since it uses less digits than its factorization.

33228402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 33228402 is about 5764.4082090012. The cubic root of 33228402 is about 321.4917395993.

The spelling of 33228402 in words is "thirty-three million, two hundred twenty-eight thousand, four hundred two".