282205540 has 12 divisors (see below), whose sum is σ = 592631676. Its totient is φ = 112882208.

The previous prime is 282205529. The next prime is 282205543. The reversal of 282205540 is 45502282.

It can be written as a sum of positive squares in 2 ways, for example, as 51955264 + 230250276 = 7208^2 + 15174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 282205499 and 282205508.

It is not an unprimeable number, because it can be changed into a prime (282205543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7055119 + ... + 7055158.

It is an arithmetic number, because the mean of its divisors is an integer number (49385973).

Almost surely, 2^282205540 is an apocalyptic number.

282205540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282205540 is an abundant number, since it is smaller than the sum of its proper divisors (310426136).

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

282205540 is a wasteful number, since it uses less digits than its factorization.

282205540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14110286 (or 14110284 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 282205540 is about 16798.9743734551. The cubic root of 282205540 is about 655.9265019034.

The spelling of 282205540 in words is "two hundred eighty-two million, two hundred five thousand, five hundred forty".