222452644 has 6 divisors (see below), whose sum is σ = 389292134. Its totient is φ = 111226320.

The previous prime is 222452641. The next prime is 222452669. The reversal of 222452644 is 446254222.

It can be written as a sum of positive squares in only one way, i.e., 171872100 + 50580544 = 13110^2 + 7112^2 .

It is not an unprimeable number, because it can be changed into a prime (222452641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27806577 + ... + 27806584.

Almost surely, 2^222452644 is an apocalyptic number.

It is an amenable number.

222452644 is a deficient number, since it is larger than the sum of its proper divisors (166839490).

222452644 is a wasteful number, since it uses less digits than its factorization.

222452644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55613165 (or 55613163 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 222452644 is about 14914.8464289781. The cubic root of 222452644 is about 605.9161440388.

The spelling of 222452644 in words is "two hundred twenty-two million, four hundred fifty-two thousand, six hundred forty-four".