222221082 has 32 divisors (see below), whose sum is σ = 459763200. Its totient is φ = 71530560.

The previous prime is 222221071. The next prime is 222221137. The reversal of 222221082 is 280122222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113044 + ... + 114992.

It is an arithmetic number, because the mean of its divisors is an integer number (14367600).

Almost surely, 2^222221082 is an apocalyptic number.

222221082 is an abundant number, since it is smaller than the sum of its proper divisors (237542118).

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

222221082 is a wasteful number, since it uses less digits than its factorization.

222221082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 222221082 is about 14907.0816057336. The cubic root of 222221082 is about 605.7058283150.

The spelling of 222221082 in words is "two hundred twenty-two million, two hundred twenty-one thousand, eighty-two".