1286022 has 16 divisors (see below), whose sum is σ = 2684160. Its totient is φ = 409992.

The previous prime is 1286017. The next prime is 1286039. The reversal of 1286022 is 2206821.

It is a self number, because there is not a number n which added to its sum of digits gives 1286022.

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, 4522 + ... + 4797.

It is an arithmetic number, because the mean of its divisors is an integer number (167760).

2^1286022 is an apocalyptic number.

1286022 is an abundant number, since it is smaller than the sum of its proper divisors (1398138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1286022 is a wasteful number, since it uses less digits than its factorization.

1286022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1286022 is about 1134.0291001557. The cubic root of 1286022 is about 108.7467114873.

The spelling of 1286022 in words is "one million, two hundred eighty-six thousand, twenty-two".