33052220 has 12 divisors (see below), whose sum is σ = 69409704. Its totient is φ = 13220880.

The previous prime is 33052207. The next prime is 33052247. The reversal of 33052220 is 2225033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826286 + ... + 826325.

It is an arithmetic number, because the mean of its divisors is an integer number (5784142).

Almost surely, 2^33052220 is an apocalyptic number.

It is an amenable number.

33052220 is an abundant number, since it is smaller than the sum of its proper divisors (36357484).

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

33052220 is a wasteful number, since it uses less digits than its factorization.

33052220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652620 (or 1652618 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 33052220 is about 5749.1060174605. The cubic root of 33052220 is about 320.9225331709.

Adding to 33052220 its reverse (2225033), we get a palindrome (35277253).

The spelling of 33052220 in words is "thirty-three million, fifty-two thousand, two hundred twenty".