282431225 has 24 divisors (see below), whose sum is σ = 360179328. Its totient is φ = 219585600.

The previous prime is 282431221. The next prime is 282431243. The reversal of 282431225 is 522134282.

It is not a de Polignac number, because 282431225 - 2² = 282431221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282431221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183710 + ... + 185240.

It is an arithmetic number, because the mean of its divisors is an integer number (15007472).

Almost surely, 2^282431225 is an apocalyptic number.

282431225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

282431225 is a deficient number, since it is larger than the sum of its proper divisors (77748103).

282431225 is a wasteful number, since it uses less digits than its factorization.

282431225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1740 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 282431225 is about 16805.6902565768. The cubic root of 282431225 is about 656.1013075062.

The spelling of 282431225 in words is "two hundred eighty-two million, four hundred thirty-one thousand, two hundred twenty-five".