282221282 has 18 divisors (see below), whose sum is σ = 492737697. Its totient is φ = 120880704.

The previous prime is 282221281. The next prime is 282221309. The reversal of 282221282 is 282122282.

It can be written as a sum of positive squares in 2 ways, for example, as 194630401 + 87590881 = 13951^2 + 9359^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11879.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282221281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 165458 + ... + 167154.

Almost surely, 2^282221282 is an apocalyptic number.

282221282 is a deficient number, since it is larger than the sum of its proper divisors (210516415).

282221282 is an frugal number, since it uses more digits than its factorization.

282221282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410 (or 1706 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 282221282 is about 16799.4429074300. The cubic root of 282221282 is about 655.9386979822.

The spelling of 282221282 in words is "two hundred eighty-two million, two hundred twenty-one thousand, two hundred eighty-two".