22321202313 has 8 divisors (see below), whose sum is σ = 29764908928. Its totient is φ = 14879148624.

The previous prime is 22321202279. The next prime is 22321202339. The reversal of 22321202313 is 31320212322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22321202313 is a prime.

It is a super-3 number, since 3×22321202313³ (a number of 32 digits) contains 333 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 22321202313.

It is not an unprimeable number, because it can be changed into a prime (22321202363) 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, 381370 + ... + 435987.

It is an arithmetic number, because the mean of its divisors is an integer number (3720613616).

Almost surely, 2^22321202313 is an apocalyptic number.

It is an amenable number.

22321202313 is a deficient number, since it is larger than the sum of its proper divisors (7443706615).

22321202313 is an equidigital number, since it uses as much as digits as its factorization.

22321202313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826463.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22321202313 its reverse (31320212322), we get a palindrome (53641414635).

The spelling of 22321202313 in words is "twenty-two billion, three hundred twenty-one million, two hundred two thousand, three hundred thirteen".