33228650 has 96 divisors (see below), whose sum is σ = 77911680. Its totient is φ = 10264320.

The previous prime is 33228649. The next prime is 33228673. The reversal of 33228650 is 5682233.

It is a super-2 number, since 2×33228650² = 2208286361645000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304796 + ... + 304904.

It is an arithmetic number, because the mean of its divisors is an integer number (811580).

Almost surely, 2^33228650 is an apocalyptic number.

33228650 is an abundant number, since it is smaller than the sum of its proper divisors (44683030).

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

33228650 is a wasteful number, since it uses less digits than its factorization.

33228650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 203 counting only the distinct ones).

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

The square root of 33228650 is about 5764.4297202759. The cubic root of 33228650 is about 321.4925394146.

It can be divided in two parts, 332 and 28650, that added together give a palindrome (28982).

The spelling of 33228650 in words is "thirty-three million, two hundred twenty-eight thousand, six hundred fifty".