222320986 has 8 divisors (see below), whose sum is σ = 334938420. Its totient is φ = 110674848.

The previous prime is 222320953. The next prime is 222321007. The reversal of 222320986 is 689023222.

It can be written as a sum of positive squares in 2 ways, for example, as 196868961 + 25452025 = 14031^2 + 5045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242251 + ... + 243166.

Almost surely, 2^222320986 is an apocalyptic number.

222320986 is a deficient number, since it is larger than the sum of its proper divisors (112617434).

222320986 is a wasteful number, since it uses less digits than its factorization.

222320986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485648.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 222320986 is about 14910.4321198281. The cubic root of 222320986 is about 605.7965838343.

The spelling of 222320986 in words is "two hundred twenty-two million, three hundred twenty thousand, nine hundred eighty-six".