33625228 has 24 divisors (see below), whose sum is σ = 72424352. Its totient is φ = 13302144.

The previous prime is 33625217. The next prime is 33625243. The reversal of 33625228 is 82252633.

It is a super-2 number, since 2×33625228² = 2261311916103968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33625228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45825 + ... + 46552.

Almost surely, 2^33625228 is an apocalyptic number.

It is an amenable number.

33625228 is an abundant number, since it is smaller than the sum of its proper divisors (38799124).

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

33625228 is a wasteful number, since it uses less digits than its factorization.

33625228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92401 (or 92399 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 33625228 is about 5798.7264118943. The cubic root of 33625228 is about 322.7664700679.

The spelling of 33625228 in words is "thirty-three million, six hundred twenty-five thousand, two hundred twenty-eight".