222711313 has 4 divisors (see below), whose sum is σ = 242957808. Its totient is φ = 202464820.

The previous prime is 222711311. The next prime is 222711337. The reversal of 222711313 is 313117222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222711313 - 2¹ = 222711311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222711311) 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, 10123231 + ... + 10123252.

It is an arithmetic number, because the mean of its divisors is an integer number (60739452).

Almost surely, 2^222711313 is an apocalyptic number.

It is an amenable number.

222711313 is a deficient number, since it is larger than the sum of its proper divisors (20246495).

222711313 is a wasteful number, since it uses less digits than its factorization.

222711313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20246494.

The product of its digits is 504, while the sum is 22.

The square root of 222711313 is about 14923.5154370544. The cubic root of 222711313 is about 606.1509071327.

Adding to 222711313 its reverse (313117222), we get a palindrome (535828535).

The spelling of 222711313 in words is "two hundred twenty-two million, seven hundred eleven thousand, three hundred thirteen".