222685680 has 160 divisors (see below), whose sum is σ = 798948864. Its totient is φ = 50254848.

The previous prime is 222685657. The next prime is 222685717. The reversal of 222685680 is 86586222.

222685680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 138642 + ... + 140238.

Almost surely, 2^222685680 is an apocalyptic number.

222685680 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 222685680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399474432).

222685680 is an abundant number, since it is smaller than the sum of its proper divisors (576263184).

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

222685680 is a wasteful number, since it uses less digits than its factorization.

222685680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 222685680 is about 14922.6565999490. The cubic root of 222685680 is about 606.1276512233.

The spelling of 222685680 in words is "two hundred twenty-two million, six hundred eighty-five thousand, six hundred eighty".