280219 has 2 divisors, whose sum is σ = 280220. Its totient is φ = 280218.

The previous prime is 280207. The next prime is 280223. The reversal of 280219 is 912082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280219 - 2⁵ = 280187 is a prime.

It is a super-2 number, since 2×280219² = 157045375922, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 280219.

It is not a weakly prime, because it can be changed into another prime (280229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140109 + 140110.

It is an arithmetic number, because the mean of its divisors is an integer number (140110).

2²⁸⁰²¹⁹ is an apocalyptic number.

280219 is a deficient number, since it is larger than the sum of its proper divisors (1).

280219 is an equidigital number, since it uses as much as digits as its factorization.

280219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 280219 is about 529.3571573144. The cubic root of 280219 is about 65.4383780332.

The spelling of 280219 in words is "two hundred eighty thousand, two hundred nineteen".