225692554949 has 2 divisors, whose sum is σ = 225692554950. Its totient is φ = 225692554948.

The previous prime is 225692554943. The next prime is 225692554957. The reversal of 225692554949 is 949455296522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186084390625 + 39608164324 = 431375^2 + 199018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225692554949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225692554891 and 225692554900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225692554943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112846277474 + 112846277475.

It is an arithmetic number, because the mean of its divisors is an integer number (112846277475).

Almost surely, 2^225692554949 is an apocalyptic number.

It is an amenable number.

225692554949 is a deficient number, since it is larger than the sum of its proper divisors (1).

225692554949 is an equidigital number, since it uses as much as digits as its factorization.

225692554949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984000, while the sum is 62.

The spelling of 225692554949 in words is "two hundred twenty-five billion, six hundred ninety-two million, five hundred fifty-four thousand, nine hundred forty-nine".