225233378587 has 6 divisors (see below), whose sum is σ = 262006175148. Its totient is φ = 193057181604.

The previous prime is 225233378563. The next prime is 225233378611. The reversal of 225233378587 is 785873332522.

It is an interprime number because it is at equal distance from previous prime (225233378563) and next prime (225233378611).

It is a de Polignac number, because none of the positive numbers 2^k-225233378587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225233378287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2298299733 + ... + 2298299830.

It is an arithmetic number, because the mean of its divisors is an integer number (43667695858).

Almost surely, 2^225233378587 is an apocalyptic number.

225233378587 is a deficient number, since it is larger than the sum of its proper divisors (36772796561).

225233378587 is an equidigital number, since it uses as much as digits as its factorization.

225233378587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596599577 (or 4596599570 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 55.

The spelling of 225233378587 in words is "two hundred twenty-five billion, two hundred thirty-three million, three hundred seventy-eight thousand, five hundred eighty-seven".