22343223220313 has 4 divisors (see below), whose sum is σ = 22423884676260. Its totient is φ = 22262561764368.

The previous prime is 22343223220243. The next prime is 22343223220337. The reversal of 22343223220313 is 31302232234322.

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 15569550713929 + 6773672506384 = 3945827^2 + 2602628^2 .

It is a cyclic number.

It is not a de Polignac number, because 22343223220313 - 2¹⁸ = 22343222958169 is a prime.

It is a super-2 number, since 2×22343223220313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22343223220313.

It is not an unprimeable number, because it can be changed into a prime (22343223120313) 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, 40330727558 + ... + 40330728111.

It is an arithmetic number, because the mean of its divisors is an integer number (5605971169065).

Almost surely, 2^{22343223220313} is an apocalyptic number.

It is an amenable number.

22343223220313 is a deficient number, since it is larger than the sum of its proper divisors (80661455947).

22343223220313 is an equidigital number, since it uses as much as digits as its factorization.

22343223220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80661455946.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 22343223220313 its reverse (31302232234322), we get a palindrome (53645455454635).

The spelling of 22343223220313 in words is "twenty-two trillion, three hundred forty-three billion, two hundred twenty-three million, two hundred twenty thousand, three hundred thirteen".