222106864 has 20 divisors (see below), whose sum is σ = 491808304. Its totient is φ = 95188608.

The previous prime is 222106861. The next prime is 222106867. The reversal of 222106864 is 468601222.

222106864 is digitally balanced in base 2, 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 (222106861) and next prime (222106867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222106861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991437 + ... + 991660.

Almost surely, 2^222106864 is an apocalyptic number.

It is an amenable number.

222106864 is an abundant number, since it is smaller than the sum of its proper divisors (269701440).

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

222106864 is a wasteful number, since it uses less digits than its factorization.

222106864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983112 (or 1983106 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 222106864 is about 14903.2501153272. The cubic root of 222106864 is about 605.6020362355.

The spelling of 222106864 in words is "two hundred twenty-two million, one hundred six thousand, eight hundred sixty-four".