22265474377 has 2 divisors, whose sum is σ = 22265474378. Its totient is φ = 22265474376.

The previous prime is 22265474351. The next prime is 22265474389. The reversal of 22265474377 is 77347456222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19999333561 + 2266140816 = 141419^2 + 47604^2 .

It is a cyclic number.

It is not a de Polignac number, because 22265474377 - 2³¹ = 20117990729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22265474377.

It is not a weakly prime, because it can be changed into another prime (22265474327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11132737188 + 11132737189.

It is an arithmetic number, because the mean of its divisors is an integer number (11132737189).

Almost surely, 2^22265474377 is an apocalyptic number.

It is an amenable number.

22265474377 is a deficient number, since it is larger than the sum of its proper divisors (1).

22265474377 is an equidigital number, since it uses as much as digits as its factorization.

22265474377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3951360, while the sum is 49.

The spelling of 22265474377 in words is "twenty-two billion, two hundred sixty-five million, four hundred seventy-four thousand, three hundred seventy-seven".