22246627789 has 2 divisors, whose sum is σ = 22246627790. Its totient is φ = 22246627788.

The previous prime is 22246627727. The next prime is 22246627817. The reversal of 22246627789 is 98772664222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12652425289 + 9594202500 = 112483^2 + 97950^2 .

It is a cyclic number.

It is not a de Polignac number, because 22246627789 - 2¹⁹ = 22246103501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22246627889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11123313894 + 11123313895.

It is an arithmetic number, because the mean of its divisors is an integer number (11123313895).

Almost surely, 2^22246627789 is an apocalyptic number.

It is an amenable number.

22246627789 is a deficient number, since it is larger than the sum of its proper divisors (1).

22246627789 is an equidigital number, since it uses as much as digits as its factorization.

22246627789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 55.

The spelling of 22246627789 in words is "twenty-two billion, two hundred forty-six million, six hundred twenty-seven thousand, seven hundred eighty-nine".