222313717 has 2 divisors, whose sum is σ = 222313718. Its totient is φ = 222313716.

The previous prime is 222313687. The next prime is 222313733. The reversal of 222313717 is 717313222.

It is a happy number.

222313717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124679556 + 97634161 = 11166^2 + 9881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222313717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222343717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111156858 + 111156859.

It is an arithmetic number, because the mean of its divisors is an integer number (111156859).

Almost surely, 2^222313717 is an apocalyptic number.

It is an amenable number.

222313717 is a deficient number, since it is larger than the sum of its proper divisors (1).

222313717 is an equidigital number, since it uses as much as digits as its factorization.

222313717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 222313717 is about 14910.1883623246. The cubic root of 222313717 is about 605.7899813937.

Adding to 222313717 its reverse (717313222), we get a palindrome (939626939).

The spelling of 222313717 in words is "two hundred twenty-two million, three hundred thirteen thousand, seven hundred seventeen".