280022 has 8 divisors (see below), whose sum is σ = 442200. Its totient is φ = 132624.

The previous prime is 280013. The next prime is 280031. The reversal of 280022 is 220082.

It is an interprime number because it is at equal distance from previous prime (280013) and next prime (280031).

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

It is a junction number, because it is equal to n+sod(n) for n = 279979 and 280006.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 280022.

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, 3647 + ... + 3722.

It is an arithmetic number, because the mean of its divisors is an integer number (55275).

2²⁸⁰⁰²² is an apocalyptic number.

280022 is a deficient number, since it is larger than the sum of its proper divisors (162178).

280022 is a wasteful number, since it uses less digits than its factorization.

280022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7390.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 280022 is about 529.1710498506. The cubic root of 280022 is about 65.4230395746.

The spelling of 280022 in words is "two hundred eighty thousand, twenty-two".