282827225 has 12 divisors (see below), whose sum is σ = 359260860. Its totient is φ = 220742400.

The previous prime is 282827221. The next prime is 282827243. The reversal of 282827225 is 522728282.

It can be written as a sum of positive squares in 6 ways, for example, as 56505289 + 226321936 = 7517^2 + 15044^2 .

It is not a de Polignac number, because 282827225 - 2² = 282827221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (282827221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136940 + ... + 138989.

It is an arithmetic number, because the mean of its divisors is an integer number (29938405).

Almost surely, 2^282827225 is an apocalyptic number.

282827225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

282827225 is a deficient number, since it is larger than the sum of its proper divisors (76433635).

282827225 is a wasteful number, since it uses less digits than its factorization.

282827225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275980 (or 275975 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 282827225 is about 16817.4678533958. The cubic root of 282827225 is about 656.4078066452.

The spelling of 282827225 in words is "two hundred eighty-two million, eight hundred twenty-seven thousand, two hundred twenty-five".