222001222220 has 48 divisors (see below), whose sum is σ = 484191751680. Its totient is φ = 85438025664.

The previous prime is 222001222217. The next prime is 222001222253. The reversal of 222001222220 is 22222100222.

222001222220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1945994 + ... + 2056913.

It is an arithmetic number, because the mean of its divisors is an integer number (10087328160).

Almost surely, 2^222001222220 is an apocalyptic number.

222001222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001222220 is an abundant number, since it is smaller than the sum of its proper divisors (262190529460).

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

222001222220 is a wasteful number, since it uses less digits than its factorization.

222001222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003022 (or 4003020 counting only the distinct ones).

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

Adding to 222001222220 its reverse (22222100222), we get a palindrome (244223322442).

The spelling of 222001222220 in words is "two hundred twenty-two billion, one million, two hundred twenty-two thousand, two hundred twenty".