422347 has 4 divisors (see below), whose sum is σ = 425296. Its totient is φ = 419400.

The previous prime is 422339. The next prime is 422353. The reversal of 422347 is 743224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422347 - 2³ = 422339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422377) 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 3 ways as a sum of consecutive naturals, for example, 1248 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (106324).

2⁴²²³⁴⁷ is an apocalyptic number.

422347 is a deficient number, since it is larger than the sum of its proper divisors (2949).

422347 is a wasteful number, since it uses less digits than its factorization.

422347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948.

The product of its digits is 1344, while the sum is 22.

The square root of 422347 is about 649.8822970354. The cubic root of 422347 is about 75.0279599456.

The spelling of 422347 in words is "four hundred twenty-two thousand, three hundred forty-seven", and thus it is an iban number.