222102222 has 16 divisors (see below), whose sum is σ = 446065920. Its totient is φ = 73723832.

The previous prime is 222102211. The next prime is 222102233. The reversal of 222102222 is 222201222.

222102222 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 (222102211) and next prime (222102233).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76008 + ... + 78875.

It is an arithmetic number, because the mean of its divisors is an integer number (27879120).

Almost surely, 2^222102222 is an apocalyptic number.

222102222 is an abundant number, since it is smaller than the sum of its proper divisors (223963698).

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

222102222 is a wasteful number, since it uses less digits than its factorization.

222102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155127.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 222102222 is about 14903.0943766722. The cubic root of 222102222 is about 605.5978172090.

Adding to 222102222 its reverse (222201222), we get a palindrome (444303444).

The spelling of 222102222 in words is "two hundred twenty-two million, one hundred two thousand, two hundred twenty-two".