280226 has 8 divisors (see below), whose sum is σ = 423360. Its totient is φ = 139108.

The previous prime is 280223. The next prime is 280229. The reversal of 280226 is 622082.

280226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (280223) and next prime (280229).

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

It is a super-2 number, since 2×280226² = 157053222152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280198 and 280207.

It is not an unprimeable number, because it can be changed into a prime (280223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 753.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2²⁸⁰²²⁶ is an apocalyptic number.

280226 is a deficient number, since it is larger than the sum of its proper divisors (143134).

280226 is a wasteful number, since it uses less digits than its factorization.

280226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 280226 is about 529.3637690662. The cubic root of 280226 is about 65.4389229223.

The spelling of 280226 in words is "two hundred eighty thousand, two hundred twenty-six".