222320344 has 16 divisors (see below), whose sum is σ = 430297920. Its totient is φ = 107574240.

The previous prime is 222320317. The next prime is 222320347. The reversal of 222320344 is 443023222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222320347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447979 + ... + 448474.

It is an arithmetic number, because the mean of its divisors is an integer number (26893620).

Almost surely, 2^222320344 is an apocalyptic number.

It is an amenable number.

222320344 is a deficient number, since it is larger than the sum of its proper divisors (207977576).

222320344 is a wasteful number, since it uses less digits than its factorization.

222320344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896490 (or 896486 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 222320344 is about 14910.4105912614. The cubic root of 222320344 is about 605.7960007108.

Adding to 222320344 its reverse (443023222), we get a palindrome (665343566).

The spelling of 222320344 in words is "two hundred twenty-two million, three hundred twenty thousand, three hundred forty-four".