222232986 has 24 divisors (see below), whose sum is σ = 497038464. Its totient is φ = 71687880.

The previous prime is 222232979. The next prime is 222233009. The reversal of 222232986 is 689232222.

222232986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222232986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198576 + ... + 199691.

It is an arithmetic number, because the mean of its divisors is an integer number (20709936).

Almost surely, 2^222232986 is an apocalyptic number.

222232986 is an abundant number, since it is smaller than the sum of its proper divisors (274805478).

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

222232986 is a wasteful number, since it uses less digits than its factorization.

222232986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398306 (or 398303 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 222232986 is about 14907.4808737090. The cubic root of 222232986 is about 605.7166436606.

The spelling of 222232986 in words is "two hundred twenty-two million, two hundred thirty-two thousand, nine hundred eighty-six".