22863235861 has 2 divisors, whose sum is σ = 22863235862. Its totient is φ = 22863235860.

The previous prime is 22863235853. The next prime is 22863235883. The reversal of 22863235861 is 16853236822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12247848900 + 10615386961 = 110670^2 + 103031^2 .

It is a cyclic number.

It is not a de Polignac number, because 22863235861 - 2³ = 22863235853 is a prime.

It is a super-2 number, since 2×22863235861² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22863235831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11431617930 + 11431617931.

It is an arithmetic number, because the mean of its divisors is an integer number (11431617931).

Almost surely, 2^22863235861 is an apocalyptic number.

It is an amenable number.

22863235861 is a deficient number, since it is larger than the sum of its proper divisors (1).

22863235861 is an equidigital number, since it uses as much as digits as its factorization.

22863235861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 46.

The spelling of 22863235861 in words is "twenty-two billion, eight hundred sixty-three million, two hundred thirty-five thousand, eight hundred sixty-one".