22222035220 has 96 divisors (see below), whose sum is σ = 59419422720. Its totient is φ = 6778957440.

The previous prime is 22222035211. The next prime is 22222035287. The reversal of 22222035220 is 2253022222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22222035191 and 22222035200.

It is a congruent number.

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, 81130 + ... + 225889.

It is an arithmetic number, because the mean of its divisors is an integer number (618952320).

Almost surely, 2^22222035220 is an apocalyptic number.

22222035220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222035220 is an abundant number, since it is smaller than the sum of its proper divisors (37197387500).

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

22222035220 is a wasteful number, since it uses less digits than its factorization.

22222035220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307093 (or 307091 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 22222035220 its reverse (2253022222), we get a palindrome (24475057442).

The spelling of 22222035220 in words is "twenty-two billion, two hundred twenty-two million, thirty-five thousand, two hundred twenty".