22687297361 has 2 divisors, whose sum is σ = 22687297362. Its totient is φ = 22687297360.

The previous prime is 22687297343. The next prime is 22687297411. The reversal of 22687297361 is 16379278622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16347156736 + 6340140625 = 127856^2 + 79625^2 .

It is a cyclic number.

It is not a de Polignac number, because 22687297361 - 2¹⁴ = 22687280977 is a prime.

It is not a weakly prime, because it can be changed into another prime (22687297261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11343648680 + 11343648681.

It is an arithmetic number, because the mean of its divisors is an integer number (11343648681).

Almost surely, 2^22687297361 is an apocalyptic number.

It is an amenable number.

22687297361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22687297361 is an equidigital number, since it uses as much as digits as its factorization.

22687297361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The spelling of 22687297361 in words is "twenty-two billion, six hundred eighty-seven million, two hundred ninety-seven thousand, three hundred sixty-one".