222489844 has 6 divisors (see below), whose sum is σ = 389357234. Its totient is φ = 111244920.

The previous prime is 222489823. The next prime is 222489853. The reversal of 222489844 is 448984222.

It can be written as a sum of positive squares in only one way, i.e., 151290000 + 71199844 = 12300^2 + 8438^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222489844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27811227 + ... + 27811234.

Almost surely, 2^222489844 is an apocalyptic number.

It is an amenable number.

222489844 is a deficient number, since it is larger than the sum of its proper divisors (166867390).

222489844 is a wasteful number, since it uses less digits than its factorization.

222489844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55622465 (or 55622463 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 222489844 is about 14916.0934563980. The cubic root of 222489844 is about 605.9499172558.

The spelling of 222489844 in words is "two hundred twenty-two million, four hundred eighty-nine thousand, eight hundred forty-four".