22333322220 has 96 divisors (see below), whose sum is σ = 68652976896. Its totient is φ = 5379628800.

The previous prime is 22333322197. The next prime is 22333322293. The reversal of 22333322220 is 2222333322.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4146 + ... + 211385.

It is an arithmetic number, because the mean of its divisors is an integer number (715135176).

Almost surely, 2^22333322220 is an apocalyptic number.

22333322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22333322220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34326488448).

22333322220 is an abundant number, since it is smaller than the sum of its proper divisors (46319654676).

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

22333322220 is a wasteful number, since it uses less digits than its factorization.

22333322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215711 (or 215709 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 22333322220 its reverse (2222333322), we get a palindrome (24555655542).

The spelling of 22333322220 in words is "twenty-two billion, three hundred thirty-three million, three hundred twenty-two thousand, two hundred twenty".