22615135313 has 2 divisors, whose sum is σ = 22615135314. Its totient is φ = 22615135312.

The previous prime is 22615135271. The next prime is 22615135321. The reversal of 22615135313 is 31353151622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22322451649 + 292683664 = 149407^2 + 17108^2 .

It is a cyclic number.

It is not a de Polignac number, because 22615135313 - 2¹⁶ = 22615069777 is a prime.

It is a super-2 number, since 2×22615135313² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22615135313.

It is not a weakly prime, because it can be changed into another prime (22615135373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11307567656 + 11307567657.

It is an arithmetic number, because the mean of its divisors is an integer number (11307567657).

Almost surely, 2^22615135313 is an apocalyptic number.

It is an amenable number.

22615135313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22615135313 is an equidigital number, since it uses as much as digits as its factorization.

22615135313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

Adding to 22615135313 its reverse (31353151622), we get a palindrome (53968286935).

The spelling of 22615135313 in words is "twenty-two billion, six hundred fifteen million, one hundred thirty-five thousand, three hundred thirteen".