33222223220 has 48 divisors (see below), whose sum is σ = 72045120000. Its totient is φ = 12855231360.

The previous prime is 33222223213. The next prime is 33222223231. The reversal of 33222223220 is 2232222233.

It is a super-2 number, since 2×33222223220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1862906 + ... + 1880654.

It is an arithmetic number, because the mean of its divisors is an integer number (1500940000).

Almost surely, 2^33222223220 is an apocalyptic number.

It is an amenable number.

33222223220 is an abundant number, since it is smaller than the sum of its proper divisors (38822896780).

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

33222223220 is a wasteful number, since it uses less digits than its factorization.

33222223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20808 (or 20806 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 33222223220 its reverse (2232222233), we get a palindrome (35454445453).

The spelling of 33222223220 in words is "thirty-three billion, two hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty".