285225082 has 24 divisors (see below), whose sum is σ = 466803324. Its totient is φ = 130586112.

The previous prime is 285225077. The next prime is 285225103. The reversal of 285225082 is 280522582.

It can be written as a sum of positive squares in 6 ways, for example, as 246772681 + 38452401 = 15709^2 + 6201^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14718 + ... + 28054.

Almost surely, 2^285225082 is an apocalyptic number.

285225082 is a deficient number, since it is larger than the sum of its proper divisors (181578242).

285225082 is a wasteful number, since it uses less digits than its factorization.

285225082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410 (or 13393 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 285225082 is about 16888.6080539516. The cubic root of 285225082 is about 658.2576341666.

The spelling of 285225082 in words is "two hundred eighty-five million, two hundred twenty-five thousand, eighty-two".