222202221220220 has 12 divisors (see below), whose sum is σ = 466624664562504. Its totient is φ = 88880888488080.

The previous prime is 222202221220201. The next prime is 222202221220241. The reversal of 222202221220220 is 22022122202222.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 5555055530486 + ... + 5555055530525.

It is an arithmetic number, because the mean of its divisors is an integer number (38885388713542).

Almost surely, 2^{222202221220220} is an apocalyptic number.

222202221220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202221220220 is an abundant number, since it is smaller than the sum of its proper divisors (244422443342284).

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

222202221220220 is a wasteful number, since it uses less digits than its factorization.

222202221220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110111061020 (or 11110111061018 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 222202221220220 its reverse (22022122202222), we get a palindrome (244224343422442).

The spelling of 222202221220220 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty".