222402344 has 16 divisors (see below), whose sum is σ = 418204500. Its totient is φ = 110881152.

The previous prime is 222402343. The next prime is 222402359. The reversal of 222402344 is 443204222.

It can be written as a sum of positive squares in 2 ways, for example, as 202492900 + 19909444 = 14230^2 + 4462^2 .

It is not an unprimeable number, because it can be changed into a prime (222402343) 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, 37037 + ... + 42620.

Almost surely, 2^222402344 is an apocalyptic number.

It is an amenable number.

222402344 is a deficient number, since it is larger than the sum of its proper divisors (195802156).

222402344 is a wasteful number, since it uses less digits than its factorization.

222402344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80012 (or 80008 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 222402344 is about 14913.1600943596. The cubic root of 222402344 is about 605.8704715773.

Adding to 222402344 its reverse (443204222), we get a palindrome (665606566).

The spelling of 222402344 in words is "two hundred twenty-two million, four hundred two thousand, three hundred forty-four".