22310313332221 has 4 divisors (see below), whose sum is σ = 22407738281500. Its totient is φ = 22212888382944.

The previous prime is 22310313332191. The next prime is 22310313332297. The reversal of 22310313332221 is 12223331301322.

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 14212817060121 + 8097496272100 = 3769989^2 + 2845610^2 .

It is a cyclic number.

It is not a de Polignac number, because 22310313332221 - 2¹³ = 22310313324029 is a prime.

It is a super-3 number, since 3×22310313332221³ (a number of 41 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 22310313332221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22310313332521) 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, 48712474296 + ... + 48712474753.

It is an arithmetic number, because the mean of its divisors is an integer number (5601934570375).

Almost surely, 2^{22310313332221} is an apocalyptic number.

It is an amenable number.

22310313332221 is a deficient number, since it is larger than the sum of its proper divisors (97424949279).

22310313332221 is an equidigital number, since it uses as much as digits as its factorization.

22310313332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97424949278.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 22310313332221 its reverse (12223331301322), we get a palindrome (34533644633543).

The spelling of 22310313332221 in words is "twenty-two trillion, three hundred ten billion, three hundred thirteen million, three hundred thirty-two thousand, two hundred twenty-one".