22220233100 has 72 divisors (see below), whose sum is σ = 52323765648. Its totient is φ = 8141702400.

The previous prime is 22220233097. The next prime is 22220233111. The reversal of 22220233100 is 133202222.

It is a super-2 number, since 2×22220233100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105062 + ... + 235538.

Almost surely, 2^22220233100 is an apocalyptic number.

22220233100 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 22220233100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26161882824).

22220233100 is an abundant number, since it is smaller than the sum of its proper divisors (30103532548).

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

22220233100 is a wasteful number, since it uses less digits than its factorization.

22220233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130635 (or 130628 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22220233100 its reverse (133202222), we get a palindrome (22353435322).

The spelling of 22220233100 in words is "twenty-two billion, two hundred twenty million, two hundred thirty-three thousand, one hundred".