33228252 has 24 divisors (see below), whose sum is σ = 86147600. Its totient is φ = 11076048.

The previous prime is 33228233. The next prime is 33228253. The reversal of 33228252 is 25282233.

33228252 is a `hidden beast` number, since 332 + 282 + 52 = 666.

It is a super-2 number, since 2×33228252² = 2208233461951008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33228253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153727 + ... + 153942.

Almost surely, 2^33228252 is an apocalyptic number.

It is an amenable number.

33228252 is an abundant number, since it is smaller than the sum of its proper divisors (52919348).

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

33228252 is a wasteful number, since it uses less digits than its factorization.

33228252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307682 (or 307674 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 33228252 is about 5764.3951981106. The cubic root of 33228252 is about 321.4912558381.

The spelling of 33228252 in words is "thirty-three million, two hundred twenty-eight thousand, two hundred fifty-two".