286622 has 16 divisors (see below), whose sum is σ = 501120. Its totient is φ = 120408.

The previous prime is 286619. The next prime is 286633. The reversal of 286622 is 226682.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 286591 and 286600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (31320).

2²⁸⁶⁶²² is an apocalyptic number.

286622 is a deficient number, since it is larger than the sum of its proper divisors (214498).

286622 is a wasteful number, since it uses less digits than its factorization.

286622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its digits is 2304, while the sum is 26.

The square root of 286622 is about 535.3708994706. The cubic root of 286622 is about 65.9330511812.

The spelling of 286622 in words is "two hundred eighty-six thousand, six hundred twenty-two".