222342313 has 4 divisors (see below), whose sum is σ = 234044560. Its totient is φ = 210640068.

The previous prime is 222342271. The next prime is 222342317. The reversal of 222342313 is 313243222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313243222 = 2 ⋅156621611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222342313 is a prime.

It is a super-2 number, since 2×222342313² = 98872208300379938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222342317) 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, 5851095 + ... + 5851132.

It is an arithmetic number, because the mean of its divisors is an integer number (58511140).

Almost surely, 2^222342313 is an apocalyptic number.

It is an amenable number.

222342313 is a deficient number, since it is larger than the sum of its proper divisors (11702247).

222342313 is a wasteful number, since it uses less digits than its factorization.

222342313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11702246.

The product of its digits is 1728, while the sum is 22.

The square root of 222342313 is about 14911.1472730974. The cubic root of 222342313 is about 605.8159543413.

Adding to 222342313 its reverse (313243222), we get a palindrome (535585535).

Subtracting 222342313 from its reverse (313243222), we obtain a palindrome (90900909).

The spelling of 222342313 in words is "two hundred twenty-two million, three hundred forty-two thousand, three hundred thirteen".