8402422 has 24 divisors (see below), whose sum is σ = 14852376. Its totient is φ = 3554208.

The previous prime is 8402419. The next prime is 8402453. The reversal of 8402422 is 2242048.

It is a junction number, because it is equal to n+sod(n) for n = 8402393 and 8402402.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7618 + ... + 8650.

It is an arithmetic number, because the mean of its divisors is an integer number (618849).

Almost surely, 2^8402422 is an apocalyptic number.

8402422 is a deficient number, since it is larger than the sum of its proper divisors (6449954).

8402422 is a wasteful number, since it uses less digits than its factorization.

8402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 8402422 is about 2898.6931538195. The cubic root of 8402422 is about 203.2988068821.

The spelling of 8402422 in words is "eight million, four hundred two thousand, four hundred twenty-two".