222696013 has 2 divisors, whose sum is σ = 222696014. Its totient is φ = 222696012.

The previous prime is 222695999. The next prime is 222696043. The reversal of 222696013 is 310696222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222666084 + 29929 = 14922^2 + 173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222696013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222696043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111348006 + 111348007.

It is an arithmetic number, because the mean of its divisors is an integer number (111348007).

Almost surely, 2^222696013 is an apocalyptic number.

It is an amenable number.

222696013 is a deficient number, since it is larger than the sum of its proper divisors (1).

222696013 is an equidigital number, since it uses as much as digits as its factorization.

222696013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 222696013 is about 14923.0028144472. The cubic root of 222696013 is about 606.1370262014.

It can be divided in two parts, 22269 and 6013, that added together give a palindrome (28282).

The spelling of 222696013 in words is "two hundred twenty-two million, six hundred ninety-six thousand, thirteen".