225785280089 has 2 divisors, whose sum is σ = 225785280090. Its totient is φ = 225785280088.

The previous prime is 225785280059. The next prime is 225785280101. The reversal of 225785280089 is 980082587522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161048110864 + 64737169225 = 401308^2 + 254435^2 .

It is a cyclic number.

It is not a de Polignac number, because 225785280089 - 2¹² = 225785275993 is a prime.

It is not a weakly prime, because it can be changed into another prime (225785280059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112892640044 + 112892640045.

It is an arithmetic number, because the mean of its divisors is an integer number (112892640045).

Almost surely, 2^225785280089 is an apocalyptic number.

It is an amenable number.

225785280089 is a deficient number, since it is larger than the sum of its proper divisors (1).

225785280089 is an equidigital number, since it uses as much as digits as its factorization.

225785280089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 225785280089 in words is "two hundred twenty-five billion, seven hundred eighty-five million, two hundred eighty thousand, eighty-nine".