422285947 has 12 divisors (see below), whose sum is σ = 432672240. Its totient is φ = 412112448.

The previous prime is 422285867. The next prime is 422285959. The reversal of 422285947 is 749582224.

It is a happy number.

It is not a de Polignac number, because 422285947 - 2²⁷ = 288068219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422285447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580498 + ... + 581224.

It is an arithmetic number, because the mean of its divisors is an integer number (36056020).

Almost surely, 2^422285947 is an apocalyptic number.

422285947 is a deficient number, since it is larger than the sum of its proper divisors (10386293).

422285947 is an equidigital number, since it uses as much as digits as its factorization.

422285947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 909 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 422285947 is about 20549.5972466616. The cubic root of 422285947 is about 750.2434451189.

The spelling of 422285947 in words is "four hundred twenty-two million, two hundred eighty-five thousand, nine hundred forty-seven".