222650880 has 160 divisors (see below), whose sum is σ = 726542784. Its totient is φ = 58146816.

The previous prime is 222650851. The next prime is 222650881. The reversal of 222650880 is 88056222.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (222650881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406767 + ... + 407313.

Almost surely, 2^222650880 is an apocalyptic number.

222650880 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 222650880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363271392).

222650880 is an abundant number, since it is smaller than the sum of its proper divisors (503891904).

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

222650880 is an equidigital number, since it uses as much as digits as its factorization.

222650880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 222650880 is about 14921.4905421677. The cubic root of 222650880 is about 606.0960755645.

The spelling of 222650880 in words is "two hundred twenty-two million, six hundred fifty thousand, eight hundred eighty".