285226468 has 12 divisors (see below), whose sum is σ = 499282812. Its totient is φ = 142574240.

The previous prime is 285226457. The next prime is 285226489. The reversal of 285226468 is 864622582.

It can be written as a sum of positive squares in 2 ways, for example, as 22202944 + 263023524 = 4712^2 + 16218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12198 + ... + 26818.

It is an arithmetic number, because the mean of its divisors is an integer number (41606901).

Almost surely, 2^285226468 is an apocalyptic number.

It is an amenable number.

285226468 is a deficient number, since it is larger than the sum of its proper divisors (214056344).

285226468 is a wasteful number, since it uses less digits than its factorization.

285226468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19502 (or 19500 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 285226468 is about 16888.6490874788. The cubic root of 285226468 is about 658.2587003931.

The spelling of 285226468 in words is "two hundred eighty-five million, two hundred twenty-six thousand, four hundred sixty-eight".