285225774 has 8 divisors (see below), whose sum is σ = 570451560. Its totient is φ = 95075256.

The previous prime is 285225757. The next prime is 285225781. The reversal of 285225774 is 477522582.

It is a sphenic number, since it is the product of 3 distinct primes.

285225774 is an admirable number.

It is a congruent number.

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, 23768809 + ... + 23768820.

It is an arithmetic number, because the mean of its divisors is an integer number (71306445).

Almost surely, 2^285225774 is an apocalyptic number.

285225774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

285225774 is a wasteful number, since it uses less digits than its factorization.

285225774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47537634.

The product of its digits is 313600, while the sum is 42.

The square root of 285225774 is about 16888.6285411220. The cubic root of 285225774 is about 658.2581665110.

The spelling of 285225774 in words is "two hundred eighty-five million, two hundred twenty-five thousand, seven hundred seventy-four".