225563462279 has 2 divisors, whose sum is σ = 225563462280. Its totient is φ = 225563462278.

The previous prime is 225563462261. The next prime is 225563462309. The reversal of 225563462279 is 972264365522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225563462279 - 2¹⁶ = 225563396743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225563462279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225563462239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112781731139 + 112781731140.

It is an arithmetic number, because the mean of its divisors is an integer number (112781731140).

Almost surely, 2^225563462279 is an apocalyptic number.

225563462279 is a deficient number, since it is larger than the sum of its proper divisors (1).

225563462279 is an equidigital number, since it uses as much as digits as its factorization.

225563462279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 53.

The spelling of 225563462279 in words is "two hundred twenty-five billion, five hundred sixty-three million, four hundred sixty-two thousand, two hundred seventy-nine".