222201312013 has 4 divisors (see below), whose sum is σ = 222208020220. Its totient is φ = 222194603808.

The previous prime is 222201312001. The next prime is 222201312037. The reversal of 222201312013 is 310213102222.

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 50410128484 + 171791183529 = 224522^2 + 414477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222201312013 is a prime.

It is a super-2 number, since 2×222201312013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201312313) 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, 3304170 + ... + 3370747.

It is an arithmetic number, because the mean of its divisors is an integer number (55552005055).

Almost surely, 2^222201312013 is an apocalyptic number.

It is an amenable number.

222201312013 is a deficient number, since it is larger than the sum of its proper divisors (6708207).

222201312013 is an equidigital number, since it uses as much as digits as its factorization.

222201312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708206.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222201312013 its reverse (310213102222), we get a palindrome (532414414235).

The spelling of 222201312013 in words is "two hundred twenty-two billion, two hundred one million, three hundred twelve thousand, thirteen".