222630013 has 8 divisors (see below), whose sum is σ = 230477400. Its totient is φ = 214794048.

The previous prime is 222630007. The next prime is 222630017. The reversal of 222630013 is 310036222.

It can be written as a sum of positive squares in 4 ways, for example, as 41512249 + 181117764 = 6443^2 + 13458^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 222630013 - 2¹³ = 222621821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222630017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62443 + ... + 65911.

It is an arithmetic number, because the mean of its divisors is an integer number (28809675).

Almost surely, 2^222630013 is an apocalyptic number.

It is an amenable number.

222630013 is a deficient number, since it is larger than the sum of its proper divisors (7847387).

222630013 is a wasteful number, since it uses less digits than its factorization.

222630013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 222630013 is about 14920.7912993916. The cubic root of 222630013 is about 606.0771403868.

Adding to 222630013 its reverse (310036222), we get a palindrome (532666235).

The spelling of 222630013 in words is "two hundred twenty-two million, six hundred thirty thousand, thirteen".