22265474389 has 2 divisors, whose sum is σ = 22265474390. Its totient is φ = 22265474388.

The previous prime is 22265474377. The next prime is 22265474393. The reversal of 22265474389 is 98347456222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14773187025 + 7492287364 = 121545^2 + 86558^2 .

It is a cyclic number.

It is not a de Polignac number, because 22265474389 - 2⁹ = 22265473877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22265474989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11132737194 + 11132737195.

It is an arithmetic number, because the mean of its divisors is an integer number (11132737195).

Almost surely, 2^22265474389 is an apocalyptic number.

It is an amenable number.

22265474389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22265474389 is an equidigital number, since it uses as much as digits as its factorization.

22265474389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 52.

The spelling of 22265474389 in words is "twenty-two billion, two hundred sixty-five million, four hundred seventy-four thousand, three hundred eighty-nine".