22388691060761 has 2 divisors, whose sum is σ = 22388691060762. Its totient is φ = 22388691060760.

The previous prime is 22388691060647. The next prime is 22388691060779. The reversal of 22388691060761 is 16706019688322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22384906350361 + 3784710400 = 4731269^2 + 61520^2 .

It is a cyclic number.

It is not a de Polignac number, because 22388691060761 - 2¹⁰ = 22388691059737 is a prime.

It is a super-2 number, since 2×22388691060761² (a number of 28 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 22388691060761.

It is not a weakly prime, because it can be changed into another prime (22388691060161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11194345530380 + 11194345530381.

It is an arithmetic number, because the mean of its divisors is an integer number (11194345530381).

Almost surely, 2^{22388691060761} is an apocalyptic number.

It is an amenable number.

22388691060761 is a deficient number, since it is larger than the sum of its proper divisors (1).

22388691060761 is an equidigital number, since it uses as much as digits as its factorization.

22388691060761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 22388691060761 in words is "twenty-two trillion, three hundred eighty-eight billion, six hundred ninety-one million, sixty thousand, seven hundred sixty-one".