8427422 has 8 divisors (see below), whose sum is σ = 12661272. Its totient is φ = 4207000.

The previous prime is 8427413. The next prime is 8427437. The reversal of 8427422 is 2247248.

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

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 3 ways as a sum of consecutive naturals, for example, 1604 + ... + 4407.

It is an arithmetic number, because the mean of its divisors is an integer number (1582659).

Almost surely, 2^8427422 is an apocalyptic number.

8427422 is a deficient number, since it is larger than the sum of its proper divisors (4233850).

8427422 is a wasteful number, since it uses less digits than its factorization.

8427422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714.

The product of its digits is 7168, while the sum is 29.

The square root of 8427422 is about 2903.0022390622. The cubic root of 8427422 is about 203.5002344312.

The spelling of 8427422 in words is "eight million, four hundred twenty-seven thousand, four hundred twenty-two".