222402244 has 6 divisors (see below), whose sum is σ = 389203934. Its totient is φ = 111201120.

The previous prime is 222402233. The next prime is 222402251. The reversal of 222402244 is 442204222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 187142400 + 35259844 = 13680^2 + 5938^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800277 + ... + 27800284.

Almost surely, 2^222402244 is an apocalyptic number.

It is an amenable number.

222402244 is a deficient number, since it is larger than the sum of its proper divisors (166801690).

222402244 is a wasteful number, since it uses less digits than its factorization.

222402244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55600565 (or 55600563 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 222402244 is about 14913.1567416158. The cubic root of 222402244 is about 605.8703807703.

Adding to 222402244 its reverse (442204222), we get a palindrome (664606466).

The spelling of 222402244 in words is "two hundred twenty-two million, four hundred two thousand, two hundred forty-four".