222244656 has 20 divisors (see below), whose sum is σ = 574132152. Its totient is φ = 74081536.

The previous prime is 222244619. The next prime is 222244663. The reversal of 222244656 is 656442222.

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, 2315001 + ... + 2315096.

Almost surely, 2^222244656 is an apocalyptic number.

It is an amenable number.

222244656 is an abundant number, since it is smaller than the sum of its proper divisors (351887496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222244656 is a wasteful number, since it uses less digits than its factorization.

222244656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630108 (or 4630102 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 222244656 is about 14907.8722827907. The cubic root of 222244656 is about 605.7272460313.

Adding to 222244656 its reverse (656442222), we get a palindrome (878686878).

The spelling of 222244656 in words is "two hundred twenty-two million, two hundred forty-four thousand, six hundred fifty-six".