225782381236 has 24 divisors (see below), whose sum is σ = 409846473344. Its totient is φ = 108755317440.

The previous prime is 225782381191. The next prime is 225782381243. The reversal of 225782381236 is 632183287522.

It is a self number, because there is not a number n which added to its sum of digits gives 225782381236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8978460 + ... + 9003571.

Almost surely, 2^225782381236 is an apocalyptic number.

It is an amenable number.

225782381236 is a deficient number, since it is larger than the sum of its proper divisors (184064092108).

225782381236 is a wasteful number, since it uses less digits than its factorization.

225782381236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17982151 (or 17982149 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 225782381236 in words is "two hundred twenty-five billion, seven hundred eighty-two million, three hundred eighty-one thousand, two hundred thirty-six".