222013013 has 4 divisors (see below), whose sum is σ = 235072620. Its totient is φ = 208953408.

The previous prime is 222013003. The next prime is 222013027. The reversal of 222013013 is 310310222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143832049 + 78180964 = 11993^2 + 8842^2 .

It is a cyclic number.

It is not a de Polignac number, because 222013013 - 2⁸ = 222012757 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 (222013003) 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, 6529778 + ... + 6529811.

It is an arithmetic number, because the mean of its divisors is an integer number (58768155).

Almost surely, 2^222013013 is an apocalyptic number.

It is an amenable number.

222013013 is a deficient number, since it is larger than the sum of its proper divisors (13059607).

222013013 is a wasteful number, since it uses less digits than its factorization.

222013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059606.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 222013013 is about 14900.1011070395. The cubic root of 222013013 is about 605.5167254037.

Adding to 222013013 its reverse (310310222), we get a palindrome (532323235).

The spelling of 222013013 in words is "two hundred twenty-two million, thirteen thousand, thirteen".