222308880 has 80 divisors (see below), whose sum is σ = 691027200. Its totient is φ = 59121664.

The previous prime is 222308861. The next prime is 222308921. The reversal of 222308880 is 88803222.

It is a tau number, because it is divible by the number of its divisors (80).

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, 106729 + ... + 108791.

It is an arithmetic number, because the mean of its divisors is an integer number (8637840).

Almost surely, 2^222308880 is an apocalyptic number.

222308880 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 222308880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345513600).

222308880 is an abundant number, since it is smaller than the sum of its proper divisors (468718320).

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

222308880 is a wasteful number, since it uses less digits than its factorization.

222308880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 222308880 is about 14910.0261569187. The cubic root of 222308880 is about 605.7855878615.

The spelling of 222308880 in words is "two hundred twenty-two million, three hundred eight thousand, eight hundred eighty".