222000988 has 12 divisors (see below), whose sum is σ = 423820152. Its totient is φ = 100909520.

The previous prime is 222000967. The next prime is 222001001. The reversal of 222000988 is 889000222.

It is a super-2 number, since 2×222000988² = 98568877345952288, which contains 22 as substring.

It is a congruent number.

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, 2522695 + ... + 2522782.

It is an arithmetic number, because the mean of its divisors is an integer number (35318346).

Almost surely, 2^222000988 is an apocalyptic number.

It is an amenable number.

222000988 is a deficient number, since it is larger than the sum of its proper divisors (201819164).

222000988 is a wasteful number, since it uses less digits than its factorization.

222000988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045492 (or 5045490 counting only the distinct ones).

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

The square root of 222000988 is about 14899.6975808236. The cubic root of 222000988 is about 605.5057929063.

The spelling of 222000988 in words is "two hundred twenty-two million, nine hundred eighty-eight", and thus it is an aban number.