222221092 has 12 divisors (see below), whose sum is σ = 389145456. Its totient is φ = 111036680.

The previous prime is 222221071. The next prime is 222221137. The reversal of 222221092 is 290122222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11398 + ... + 23965.

It is an arithmetic number, because the mean of its divisors is an integer number (32428788).

Almost surely, 2^222221092 is an apocalyptic number.

It is an amenable number.

222221092 is a deficient number, since it is larger than the sum of its proper divisors (166924364).

222221092 is a wasteful number, since it uses less digits than its factorization.

222221092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36938 (or 36936 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 222221092 is about 14907.0819411446. The cubic root of 222221092 is about 605.7058374006.

The spelling of 222221092 in words is "two hundred twenty-two million, two hundred twenty-one thousand, ninety-two".