18280082 has 8 divisors (see below), whose sum is σ = 27464076. Its totient is φ = 9125392.

The previous prime is 18280069. The next prime is 18280099. The reversal of 18280082 is 28008281.

It can be written as a sum of positive squares in 2 ways, for example, as 17884441 + 395641 = 4229^2 + 629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×18280082² = 668322795853448, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 18280082 parts by 6046 straight cuts.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5693 + ... + 8304.

Almost surely, 2^18280082 is an apocalyptic number.

18280082 is a deficient number, since it is larger than the sum of its proper divisors (9183994).

18280082 is a wasteful number, since it uses less digits than its factorization.

18280082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14652.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 18280082 is about 4275.5212547712. The cubic root of 18280082 is about 263.4264503606.

The spelling of 18280082 in words is "eighteen million, two hundred eighty thousand, eighty-two".