222989188 has 6 divisors (see below), whose sum is σ = 390231086. Its totient is φ = 111494592.

The previous prime is 222989167. The next prime is 222989189. The reversal of 222989188 is 881989222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 126517504 + 96471684 = 11248^2 + 9822^2 .

It is not an unprimeable number, because it can be changed into a prime (222989189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27873645 + ... + 27873652.

Almost surely, 2^222989188 is an apocalyptic number.

It is an amenable number.

222989188 is a deficient number, since it is larger than the sum of its proper divisors (167241898).

222989188 is a wasteful number, since it uses less digits than its factorization.

222989188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55747301 (or 55747299 counting only the distinct ones).

The product of its digits is 331776, while the sum is 49.

The square root of 222989188 is about 14932.8225061440. The cubic root of 222989188 is about 606.4028987929.

The spelling of 222989188 in words is "two hundred twenty-two million, nine hundred eighty-nine thousand, one hundred eighty-eight".