33564022220 has 12 divisors (see below), whose sum is σ = 70484446704. Its totient is φ = 13425608880.

The previous prime is 33564022207. The next prime is 33564022241. The reversal of 33564022220 is 2222046533.

It is a super-2 number, since 2×33564022220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839100536 + ... + 839100575.

It is an arithmetic number, because the mean of its divisors is an integer number (5873703892).

Almost surely, 2^33564022220 is an apocalyptic number.

It is an amenable number.

33564022220 is an abundant number, since it is smaller than the sum of its proper divisors (36920424484).

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

33564022220 is a wasteful number, since it uses less digits than its factorization.

33564022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678201120 (or 1678201118 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 33564022220 its reverse (2222046533), we get a palindrome (35786068753).

The spelling of 33564022220 in words is "thirty-three billion, five hundred sixty-four million, twenty-two thousand, two hundred twenty".