222988 has 12 divisors (see below), whose sum is σ = 394632. Its totient is φ = 110240.

The previous prime is 222979. The next prime is 222991. The reversal of 222988 is 889222.

222988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×222988³ = 33263330557002816, which contains 333 as substring.

It is an unprimeable number.

222988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168 + ... + 688.

It is an arithmetic number, because the mean of its divisors is an integer number (32886).

2²²²⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

222988 is a deficient number, since it is larger than the sum of its proper divisors (171644).

222988 is a wasteful number, since it uses less digits than its factorization.

222988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 630 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 222988 is about 472.2160522473. The cubic root of 222988 is about 60.6401821898.

The spelling of 222988 in words is "two hundred twenty-two thousand, nine hundred eighty-eight".