285224835 has 48 divisors (see below), whose sum is σ = 533142432. Its totient is φ = 129830400.

The previous prime is 285224813. The next prime is 285224843. The reversal of 285224835 is 538422582.

It is not a de Polignac number, because 285224835 - 2⁸ = 285224579 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 285224793 and 285224802.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205845 + ... + 207225.

It is an arithmetic number, because the mean of its divisors is an integer number (11107134).

Almost surely, 2^285224835 is an apocalyptic number.

285224835 is a deficient number, since it is larger than the sum of its proper divisors (247917597).

285224835 is a wasteful number, since it uses less digits than its factorization.

285224835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684 (or 1677 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 285224835 is about 16888.6007413285. The cubic root of 285224835 is about 658.2574441533.

The spelling of 285224835 in words is "two hundred eighty-five million, two hundred twenty-four thousand, eight hundred thirty-five".