22396256551 has 2 divisors, whose sum is σ = 22396256552. Its totient is φ = 22396256550.

The previous prime is 22396256537. The next prime is 22396256557. The reversal of 22396256551 is 15565269322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22396256551 - 2⁷ = 22396256423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22396256557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11198128275 + 11198128276.

It is an arithmetic number, because the mean of its divisors is an integer number (11198128276).

Almost surely, 2^22396256551 is an apocalyptic number.

22396256551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22396256551 is an equidigital number, since it uses as much as digits as its factorization.

22396256551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 46.

The spelling of 22396256551 in words is "twenty-two billion, three hundred ninety-six million, two hundred fifty-six thousand, five hundred fifty-one".