802422 has 12 divisors (see below), whose sum is σ = 1738620. Its totient is φ = 267468.

The previous prime is 802421. The next prime is 802441. The reversal of 802422 is 224208.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 44579 = 802422 / (8 + 0 + 2 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 802395 and 802404.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 802422.

It is not an unprimeable number, because it can be changed into a prime (802421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22272 + ... + 22307.

It is an arithmetic number, because the mean of its divisors is an integer number (144885).

2⁸⁰²⁴²² is an apocalyptic number.

802422 is an abundant number, since it is smaller than the sum of its proper divisors (936198).

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

802422 is a wasteful number, since it uses less digits than its factorization.

802422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44587 (or 44584 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 802422 is about 895.7801069459. The cubic root of 802422 is about 92.9253650241.

The spelling of 802422 in words is "eight hundred two thousand, four hundred twenty-two".