222504313 has 8 divisors (see below), whose sum is σ = 237927240. Its totient is φ = 207340800.

The previous prime is 222504301. The next prime is 222504319. The reversal of 222504313 is 313405222.

222504313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 90782784 + 131721529 = 9528^2 + 11477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222504313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222504319) 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, 63078 + ... + 66511.

It is an arithmetic number, because the mean of its divisors is an integer number (29740905).

Almost surely, 2^222504313 is an apocalyptic number.

It is an amenable number.

222504313 is a deficient number, since it is larger than the sum of its proper divisors (15422927).

222504313 is a wasteful number, since it uses less digits than its factorization.

222504313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129707.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 222504313 is about 14916.5784615642. The cubic root of 222504313 is about 605.9630523862.

Adding to 222504313 its reverse (313405222), we get a palindrome (535909535).

Subtracting 222504313 from its reverse (313405222), we obtain a palindrome (90900909).

The spelling of 222504313 in words is "two hundred twenty-two million, five hundred four thousand, three hundred thirteen".