855922 has 12 divisors (see below), whose sum is σ = 1343790. Its totient is φ = 408848.

The previous prime is 855919. The next prime is 855923. The reversal of 855922 is 229558.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 576081 + 279841 = 759^2 + 529^2 .

It is not an unprimeable number, because it can be changed into a prime (855923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654 + ... + 1462.

2⁸⁵⁵⁹²² is an apocalyptic number.

855922 is a deficient number, since it is larger than the sum of its proper divisors (487868).

855922 is a wasteful number, since it uses less digits than its factorization.

855922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 834 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 855922 is about 925.1605266115. The cubic root of 855922 is about 94.9463039122.

The spelling of 855922 in words is "eight hundred fifty-five thousand, nine hundred twenty-two".