22729384751 has 2 divisors, whose sum is σ = 22729384752. Its totient is φ = 22729384750.

The previous prime is 22729384697. The next prime is 22729384759. The reversal of 22729384751 is 15748392722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22729384751 - 2⁶ = 22729384687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22729384751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22729384759) 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, 11364692375 + 11364692376.

It is an arithmetic number, because the mean of its divisors is an integer number (11364692376).

Almost surely, 2^22729384751 is an apocalyptic number.

22729384751 is a deficient number, since it is larger than the sum of its proper divisors (1).

22729384751 is an equidigital number, since it uses as much as digits as its factorization.

22729384751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The spelling of 22729384751 in words is "twenty-two billion, seven hundred twenty-nine million, three hundred eighty-four thousand, seven hundred fifty-one".