22611313 has 2 divisors, whose sum is σ = 22611314. Its totient is φ = 22611312.

The previous prime is 22611283. The next prime is 22611317. The reversal of 22611313 is 31311622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 9412624 = 3633^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 22611313 - 2¹³ = 22603121 is a prime.

It is a super-2 number, since 2×22611313² = 1022542951167938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22611317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11305656 + 11305657.

It is an arithmetic number, because the mean of its divisors is an integer number (11305657).

Almost surely, 2^22611313 is an apocalyptic number.

It is an amenable number.

22611313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22611313 is an equidigital number, since it uses as much as digits as its factorization.

22611313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 22611313 is about 4755.1354344540. The cubic root of 22611313 is about 282.7755965584.

Adding to 22611313 its reverse (31311622), we get a palindrome (53922935).

The spelling of 22611313 in words is "twenty-two million, six hundred eleven thousand, three hundred thirteen".