222434306 has 16 divisors (see below), whose sum is σ = 343064760. Its totient is φ = 108086400.

The previous prime is 222434297. The next prime is 222434309. The reversal of 222434306 is 603434222.

It can be written as a sum of positive squares in 4 ways, for example, as 195300625 + 27133681 = 13975^2 + 5209^2 .

It is not an unprimeable number, because it can be changed into a prime (222434309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122606 + ... + 124406.

Almost surely, 2^222434306 is an apocalyptic number.

222434306 is a deficient number, since it is larger than the sum of its proper divisors (120630454).

222434306 is a wasteful number, since it uses less digits than its factorization.

222434306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 222434306 is about 14914.2316597269. The cubic root of 222434306 is about 605.8994939099.

Adding to 222434306 its reverse (603434222), we get a palindrome (825868528).

The spelling of 222434306 in words is "two hundred twenty-two million, four hundred thirty-four thousand, three hundred six".