225988266641 has 2 divisors, whose sum is σ = 225988266642. Its totient is φ = 225988266640.

The previous prime is 225988266617. The next prime is 225988266649. The reversal of 225988266641 is 146662889522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204911034241 + 21077232400 = 452671^2 + 145180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225988266641 is a prime.

It is not a weakly prime, because it can be changed into another prime (225988266649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112994133320 + 112994133321.

It is an arithmetic number, because the mean of its divisors is an integer number (112994133321).

Almost surely, 2^225988266641 is an apocalyptic number.

It is an amenable number.

225988266641 is a deficient number, since it is larger than the sum of its proper divisors (1).

225988266641 is an equidigital number, since it uses as much as digits as its factorization.

225988266641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19906560, while the sum is 59.

The spelling of 225988266641 in words is "two hundred twenty-five billion, nine hundred eighty-eight million, two hundred sixty-six thousand, six hundred forty-one".