282220660 has 12 divisors (see below), whose sum is σ = 592663428. Its totient is φ = 112888256.

The previous prime is 282220651. The next prime is 282220711. The reversal of 282220660 is 66022282.

It can be written as a sum of positive squares in 2 ways, for example, as 129549924 + 152670736 = 11382^2 + 12356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7055497 + ... + 7055536.

It is an arithmetic number, because the mean of its divisors is an integer number (49388619).

Almost surely, 2^282220660 is an apocalyptic number.

282220660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282220660 is an abundant number, since it is smaller than the sum of its proper divisors (310442768).

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

282220660 is a wasteful number, since it uses less digits than its factorization.

282220660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14111042 (or 14111040 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 282220660 is about 16799.4243949012. The cubic root of 282220660 is about 655.9382160977.

The spelling of 282220660 in words is "two hundred eighty-two million, two hundred twenty thousand, six hundred sixty".