22198002220 has 12 divisors (see below), whose sum is σ = 46615804704. Its totient is φ = 8879200880.

The previous prime is 22198002209. The next prime is 22198002241. The reversal of 22198002220 is 2220089122.

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, 554950036 + ... + 554950075.

It is an arithmetic number, because the mean of its divisors is an integer number (3884650392).

Almost surely, 2^22198002220 is an apocalyptic number.

22198002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22198002220 is an abundant number, since it is smaller than the sum of its proper divisors (24417802484).

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

22198002220 is a wasteful number, since it uses less digits than its factorization.

22198002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109900120 (or 1109900118 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 22198002220 in words is "twenty-two billion, one hundred ninety-eight million, two thousand, two hundred twenty".