222898986 has 32 divisors (see below), whose sum is σ = 496267200. Its totient is φ = 74159280.

The previous prime is 222898979. The next prime is 222898993. The reversal of 222898986 is 689898222.

222898986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222898979) and next prime (222898993).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27220 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (15508350).

Almost surely, 2^222898986 is an apocalyptic number.

222898986 is an abundant number, since it is smaller than the sum of its proper divisors (273368214).

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

222898986 is a wasteful number, since it uses less digits than its factorization.

222898986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811 (or 7805 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 222898986 is about 14929.8019410841. The cubic root of 222898986 is about 606.3211218364.

The spelling of 222898986 in words is "two hundred twenty-two million, eight hundred ninety-eight thousand, nine hundred eighty-six".