225432146969 has 2 divisors, whose sum is σ = 225432146970. Its totient is φ = 225432146968.

The previous prime is 225432146911. The next prime is 225432146977. The reversal of 225432146969 is 969641234522.

It is a happy number.

225432146969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220820107225 + 4612039744 = 469915^2 + 67912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225432146969 is a prime.

It is a super-2 number, since 2×225432146969² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225432146969.

It is not a weakly prime, because it can be changed into another prime (225432146669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112716073484 + 112716073485.

It is an arithmetic number, because the mean of its divisors is an integer number (112716073485).

Almost surely, 2^225432146969 is an apocalyptic number.

It is an amenable number.

225432146969 is a deficient number, since it is larger than the sum of its proper divisors (1).

225432146969 is an equidigital number, since it uses as much as digits as its factorization.

225432146969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 53.

The spelling of 225432146969 in words is "two hundred twenty-five billion, four hundred thirty-two million, one hundred forty-six thousand, nine hundred sixty-nine".