222260644 has 6 divisors (see below), whose sum is σ = 388956134. Its totient is φ = 111130320.

The previous prime is 222260639. The next prime is 222260671. The reversal of 222260644 is 446062222.

It can be written as a sum of positive squares in only one way, i.e., 193766400 + 28494244 = 13920^2 + 5338^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27782577 + ... + 27782584.

Almost surely, 2^222260644 is an apocalyptic number.

It is an amenable number.

222260644 is a deficient number, since it is larger than the sum of its proper divisors (166695490).

222260644 is a wasteful number, since it uses less digits than its factorization.

222260644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55565165 (or 55565163 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 222260644 is about 14908.4084999037. The cubic root of 222260644 is about 605.7417707675.

The spelling of 222260644 in words is "two hundred twenty-two million, two hundred sixty thousand, six hundred forty-four".