222686880646 has 16 divisors (see below), whose sum is σ = 339346275840. Its totient is φ = 109580519880.

The previous prime is 222686880643. The next prime is 222686880667. The reversal of 222686880646 is 646088686222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222686880643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216796 + ... + 2315071.

It is an arithmetic number, because the mean of its divisors is an integer number (21209142240).

Almost surely, 2^222686880646 is an apocalyptic number.

222686880646 is a deficient number, since it is larger than the sum of its proper divisors (116659395194).

222686880646 is a wasteful number, since it uses less digits than its factorization.

222686880646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532259.

The product of its (nonzero) digits is 21233664, while the sum is 58.

The spelling of 222686880646 in words is "two hundred twenty-two billion, six hundred eighty-six million, eight hundred eighty thousand, six hundred forty-six".