22065137851 has 2 divisors, whose sum is σ = 22065137852. Its totient is φ = 22065137850.

The previous prime is 22065137797. The next prime is 22065137869. The reversal of 22065137851 is 15873156022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22065137851 - 2⁷ = 22065137723 is a prime.

It is not a weakly prime, because it can be changed into another prime (22065137051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032568925 + 11032568926.

It is an arithmetic number, because the mean of its divisors is an integer number (11032568926).

Almost surely, 2^22065137851 is an apocalyptic number.

22065137851 is a deficient number, since it is larger than the sum of its proper divisors (1).

22065137851 is an equidigital number, since it uses as much as digits as its factorization.

22065137851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 22065137851 in words is "twenty-two billion, sixty-five million, one hundred thirty-seven thousand, eight hundred fifty-one".