22012102220 has 12 divisors (see below), whose sum is σ = 46225414704. Its totient is φ = 8804840880.

The previous prime is 22012102201. The next prime is 22012102241. The reversal of 22012102220 is 2220121022.

It is a junction number, because it is equal to n+sod(n) for n = 22012102195 and 22012102204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550302536 + ... + 550302575.

It is an arithmetic number, because the mean of its divisors is an integer number (3852117892).

Almost surely, 2^22012102220 is an apocalyptic number.

22012102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012102220 is an abundant number, since it is smaller than the sum of its proper divisors (24213312484).

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

22012102220 is a wasteful number, since it uses less digits than its factorization.

22012102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100605120 (or 1100605118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22012102220 its reverse (2220121022), we get a palindrome (24232223242).

The spelling of 22012102220 in words is "twenty-two billion, twelve million, one hundred two thousand, two hundred twenty".