831422 has 8 divisors (see below), whose sum is σ = 1254000. Its totient is φ = 413424.

The previous prime is 831409. The next prime is 831431. The reversal of 831422 is 224138.

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

It is a junction number, because it is equal to n+sod(n) for n = 831394 and 831403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647 + ... + 1442.

It is an arithmetic number, because the mean of its divisors is an integer number (156750).

2⁸³¹⁴²² is an apocalyptic number.

831422 is a deficient number, since it is larger than the sum of its proper divisors (422578).

831422 is a wasteful number, since it uses less digits than its factorization.

831422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

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

The square root of 831422 is about 911.8234478231. The cubic root of 831422 is about 94.0316024721.

The spelling of 831422 in words is "eight hundred thirty-one thousand, four hundred twenty-two".