285115224 has 64 divisors (see below), whose sum is σ = 729669600. Its totient is φ = 92814336.

The previous prime is 285115213. The next prime is 285115247. The reversal of 285115224 is 422511582.

It is a junction number, because it is equal to n+sod(n) for n = 285115191 and 285115200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190222 + ... + 191714.

Almost surely, 2^285115224 is an apocalyptic number.

285115224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

285115224 is an abundant number, since it is smaller than the sum of its proper divisors (444554376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285115224 is a wasteful number, since it uses less digits than its factorization.

285115224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684 (or 1680 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 285115224 is about 16885.3553116303. The cubic root of 285115224 is about 658.1731112663.

The spelling of 285115224 in words is "two hundred eighty-five million, one hundred fifteen thousand, two hundred twenty-four".