22148263789 has 2 divisors, whose sum is σ = 22148263790. Its totient is φ = 22148263788.

The previous prime is 22148263741. The next prime is 22148263801. The reversal of 22148263789 is 98736284122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20947641289 + 1200622500 = 144733^2 + 34650^2 .

It is a cyclic number.

It is not a de Polignac number, because 22148263789 - 2¹⁹ = 22147739501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22148263589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11074131894 + 11074131895.

It is an arithmetic number, because the mean of its divisors is an integer number (11074131895).

Almost surely, 2^22148263789 is an apocalyptic number.

It is an amenable number.

22148263789 is a deficient number, since it is larger than the sum of its proper divisors (1).

22148263789 is an equidigital number, since it uses as much as digits as its factorization.

22148263789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 52.

The spelling of 22148263789 in words is "twenty-two billion, one hundred forty-eight million, two hundred sixty-three thousand, seven hundred eighty-nine".