285245322 has 32 divisors (see below), whose sum is σ = 591083520. Its totient is φ = 91672560.

The previous prime is 285245299. The next prime is 285245327. The reversal of 285245322 is 223542582.

It is a super-3 number, since 3×285245322³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (285245327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49929 + ... + 55347.

It is an arithmetic number, because the mean of its divisors is an integer number (18471360).

Almost surely, 2^285245322 is an apocalyptic number.

285245322 is an abundant number, since it is smaller than the sum of its proper divisors (305838198).

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

285245322 is a wasteful number, since it uses less digits than its factorization.

285245322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738.

The product of its digits is 38400, while the sum is 33.

The square root of 285245322 is about 16889.2072638120. The cubic root of 285245322 is about 658.2732041150.

The spelling of 285245322 in words is "two hundred eighty-five million, two hundred forty-five thousand, three hundred twenty-two".