22611612427 has 2 divisors, whose sum is σ = 22611612428. Its totient is φ = 22611612426.

The previous prime is 22611612389. The next prime is 22611612437. The reversal of 22611612427 is 72421611622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22611612427 - 2¹⁹ = 22611088139 is a prime.

It is a super-2 number, since 2×22611612427² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22611612392 and 22611612401.

It is not a weakly prime, because it can be changed into another prime (22611612437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11305806213 + 11305806214.

It is an arithmetic number, because the mean of its divisors is an integer number (11305806214).

Almost surely, 2^22611612427 is an apocalyptic number.

22611612427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22611612427 is an equidigital number, since it uses as much as digits as its factorization.

22611612427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The spelling of 22611612427 in words is "twenty-two billion, six hundred eleven million, six hundred twelve thousand, four hundred twenty-seven".