225299020787 has 2 divisors, whose sum is σ = 225299020788. Its totient is φ = 225299020786.

The previous prime is 225299020769. The next prime is 225299020801. The reversal of 225299020787 is 787020992522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225299020787 - 2¹⁶ = 225298955251 is a prime.

It is not a weakly prime, because it can be changed into another prime (225299026787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112649510393 + 112649510394.

It is an arithmetic number, because the mean of its divisors is an integer number (112649510394).

Almost surely, 2^225299020787 is an apocalyptic number.

225299020787 is a deficient number, since it is larger than the sum of its proper divisors (1).

225299020787 is an equidigital number, since it uses as much as digits as its factorization.

225299020787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 225299020787 in words is "two hundred twenty-five billion, two hundred ninety-nine million, twenty thousand, seven hundred eighty-seven".