222886044420 has 96 divisors (see below), whose sum is σ = 672553120512. Its totient is φ = 54826219008.

The previous prime is 222886044397. The next prime is 222886044449. The reversal of 222886044420 is 24440688222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1035009 + ... + 1231671.

It is an arithmetic number, because the mean of its divisors is an integer number (7005761672).

Almost surely, 2^222886044420 is an apocalyptic number.

222886044420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222886044420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336276560256).

222886044420 is an abundant number, since it is smaller than the sum of its proper divisors (449667076092).

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

222886044420 is a wasteful number, since it uses less digits than its factorization.

222886044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198141 (or 198139 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 42.

The spelling of 222886044420 in words is "two hundred twenty-two billion, eight hundred eighty-six million, forty-four thousand, four hundred twenty".