222780160 has 36 divisors (see below), whose sum is σ = 533631168. Its totient is φ = 89111552.

The previous prime is 222780143. The next prime is 222780161. The reversal of 222780160 is 61087222.

It is not an unprimeable number, because it can be changed into a prime (222780161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85744 + ... + 88303.

It is an arithmetic number, because the mean of its divisors is an integer number (14823088).

Almost surely, 2^222780160 is an apocalyptic number.

222780160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222780160 is an abundant number, since it is smaller than the sum of its proper divisors (310851008).

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

222780160 is an equidigital number, since it uses as much as digits as its factorization.

222780160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174068 (or 174054 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 222780160 is about 14925.8219204170. The cubic root of 222780160 is about 606.2133607361.

The spelling of 222780160 in words is "two hundred twenty-two million, seven hundred eighty thousand, one hundred sixty".