225831278367 has 16 divisors (see below), whose sum is σ = 334580160000. Its totient is φ = 150547299192.

The previous prime is 225831278347. The next prime is 225831278381. The reversal of 225831278367 is 763872138522.

225831278367 is a `hidden beast` number, since 2 + 2 + 5 + 8 + 3 + 1 + 278 + 367 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-225831278367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225831278317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448884 + ... + 808182.

It is an arithmetic number, because the mean of its divisors is an integer number (20911260000).

Almost surely, 2^225831278367 is an apocalyptic number.

225831278367 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

225831278367 is a deficient number, since it is larger than the sum of its proper divisors (108748881633).

225831278367 is a wasteful number, since it uses less digits than its factorization.

225831278367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382587 (or 382581 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 225831278367 in words is "two hundred twenty-five billion, eight hundred thirty-one million, two hundred seventy-eight thousand, three hundred sixty-seven".