285115226 has 16 divisors (see below), whose sum is σ = 466833888. Its totient is φ = 129519600.

The previous prime is 285115213. The next prime is 285115247. The reversal of 285115226 is 622511582.

It is a junction number, because it is equal to n+sod(n) for n = 285115192 and 285115201.

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, 49661 + ... + 55103.

It is an arithmetic number, because the mean of its divisors is an integer number (29177118).

Almost surely, 2^285115226 is an apocalyptic number.

285115226 is a deficient number, since it is larger than the sum of its proper divisors (181718662).

285115226 is a wasteful number, since it uses less digits than its factorization.

285115226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837.

The product of its digits is 9600, while the sum is 32.

The square root of 285115226 is about 16885.3553708532. The cubic root of 285115226 is about 658.1731128053.

It can be divided in two parts, 285 and 115226, that added together give a palindrome (115511).

The spelling of 285115226 in words is "two hundred eighty-five million, one hundred fifteen thousand, two hundred twenty-six".