33256028 has 48 divisors (see below), whose sum is σ = 65197440. Its totient is φ = 14745024.

The previous prime is 33256019. The next prime is 33256031. The reversal of 33256028 is 82065233.

It is a super-2 number, since 2×33256028² = 2211926796673568, 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 in 15 ways as a sum of consecutive naturals, for example, 239183 + ... + 239321.

It is an arithmetic number, because the mean of its divisors is an integer number (1358280).

Almost surely, 2^33256028 is an apocalyptic number.

It is an amenable number.

33256028 is a deficient number, since it is larger than the sum of its proper divisors (31941412).

33256028 is a wasteful number, since it uses less digits than its factorization.

33256028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 33256028 is about 5766.8039675370. The cubic root of 33256028 is about 321.5808106955.

The spelling of 33256028 in words is "thirty-three million, two hundred fifty-six thousand, twenty-eight".