33198220 has 24 divisors (see below), whose sum is σ = 76054608. Its totient is φ = 12072000.

The previous prime is 33198211. The next prime is 33198247. The reversal of 33198220 is 2289133.

It is a super-2 number, since 2×33198220² = 2204243622336800, 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, 75231 + ... + 75670.

It is an arithmetic number, because the mean of its divisors is an integer number (3168942).

Almost surely, 2^33198220 is an apocalyptic number.

It is an amenable number.

33198220 is an abundant number, since it is smaller than the sum of its proper divisors (42856388).

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

33198220 is a wasteful number, since it uses less digits than its factorization.

33198220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150921 (or 150919 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 33198220 is about 5761.7896525298. The cubic root of 33198220 is about 321.3943710584.

The spelling of 33198220 in words is "thirty-three million, one hundred ninety-eight thousand, two hundred twenty".