202222313213 has 8 divisors (see below), whose sum is σ = 214142978232. Its totient is φ = 190304452096.

The previous prime is 202222313207. The next prime is 202222313219. The reversal of 202222313213 is 312313222202.

It is an interprime number because it is at equal distance from previous prime (202222313207) and next prime (202222313219).

It can be written as a sum of positive squares in 4 ways, for example, as 58822256089 + 143400057124 = 242533^2 + 378682^2 .

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 202222313213 - 2⁶ = 202222313149 is a prime.

It is a super-2 number, since 2×202222313213² (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 (202222313219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551570 + ... + 841827.

It is an arithmetic number, because the mean of its divisors is an integer number (26767872279).

Almost surely, 2^202222313213 is an apocalyptic number.

It is an amenable number.

202222313213 is a deficient number, since it is larger than the sum of its proper divisors (11920665019).

202222313213 is a wasteful number, since it uses less digits than its factorization.

202222313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401951.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 202222313213 its reverse (312313222202), we get a palindrome (514535535415).

The spelling of 202222313213 in words is "two hundred two billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred thirteen".