202223113 has 4 divisors (see below), whose sum is σ = 205538308. Its totient is φ = 198907920.

The previous prime is 202223089. The next prime is 202223141. The reversal of 202223113 is 311322202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311322202 = 2 ⋅155661101.

It can be written as a sum of positive squares in 2 ways, for example, as 53187849 + 149035264 = 7293^2 + 12208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202223113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202253113) 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, 1657506 + ... + 1657627.

It is an arithmetic number, because the mean of its divisors is an integer number (51384577).

Almost surely, 2^202223113 is an apocalyptic number.

It is an amenable number.

202223113 is a deficient number, since it is larger than the sum of its proper divisors (3315195).

202223113 is an equidigital number, since it uses as much as digits as its factorization.

202223113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315194.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 202223113 is about 14220.5173253296. The cubic root of 202223113 is about 586.9623757092.

Adding to 202223113 its reverse (311322202), we get a palindrome (513545315).

The spelling of 202223113 in words is "two hundred two million, two hundred twenty-three thousand, one hundred thirteen".