260822 has 4 divisors (see below), whose sum is σ = 391236. Its totient is φ = 130410.

The previous prime is 260809. The next prime is 260849. The reversal of 260822 is 228062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228062 = 2 ⋅114031.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 260794 and 260803.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 65204 + ... + 65207.

It is an arithmetic number, because the mean of its divisors is an integer number (97809).

2²⁶⁰⁸²² is an apocalyptic number.

260822 is a deficient number, since it is larger than the sum of its proper divisors (130414).

260822 is a wasteful number, since it uses less digits than its factorization.

260822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130413.

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

The square root of 260822 is about 510.7073526003. The cubic root of 260822 is about 63.8922340053.

Adding to 260822 its reverse (228062), we get a palindrome (488884).

The spelling of 260822 in words is "two hundred sixty thousand, eight hundred twenty-two".