282216479 has 4 divisors (see below), whose sum is σ = 284438784. Its totient is φ = 279994176.

The previous prime is 282216461. The next prime is 282216491. The reversal of 282216479 is 974612282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 282216479 - 2⁸ = 282216223 is a prime.

It is a super-2 number, since 2×282216479² = 159292282038314882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282216379) 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, 1110962 + ... + 1111215.

It is an arithmetic number, because the mean of its divisors is an integer number (71109696).

Almost surely, 2^282216479 is an apocalyptic number.

282216479 is a deficient number, since it is larger than the sum of its proper divisors (2222305).

282216479 is a wasteful number, since it uses less digits than its factorization.

282216479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222304.

The product of its digits is 96768, while the sum is 41.

The square root of 282216479 is about 16799.2999556529. The cubic root of 282216479 is about 655.9349769169.

The spelling of 282216479 in words is "two hundred eighty-two million, two hundred sixteen thousand, four hundred seventy-nine".