22122202220 has 48 divisors (see below), whose sum is σ = 47300107680. Its totient is φ = 8688574464.

The previous prime is 22122202199. The next prime is 22122202243. The reversal of 22122202220 is 2220222122.

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, 1024172 + ... + 1045548.

It is an arithmetic number, because the mean of its divisors is an integer number (985418910).

Almost surely, 2^22122202220 is an apocalyptic number.

22122202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122202220 is an abundant number, since it is smaller than the sum of its proper divisors (25177905460).

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

22122202220 is a wasteful number, since it uses less digits than its factorization.

22122202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22322 (or 22320 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22122202220 its reverse (2220222122), we get a palindrome (24342424342).

The spelling of 22122202220 in words is "twenty-two billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty".