422867247 has 8 divisors (see below), whose sum is σ = 615079680. Its totient is φ = 256283160.

The previous prime is 422867243. The next prime is 422867257. The reversal of 422867247 is 742768224.

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

It is not a de Polignac number, because 422867247 - 2² = 422867243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422867199 and 422867208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422867243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6407047 + ... + 6407112.

It is an arithmetic number, because the mean of its divisors is an integer number (76884960).

Almost surely, 2^422867247 is an apocalyptic number.

422867247 is a deficient number, since it is larger than the sum of its proper divisors (192212433).

422867247 is a wasteful number, since it uses less digits than its factorization.

422867247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12814173.

The product of its digits is 301056, while the sum is 42.

The square root of 422867247 is about 20563.7362120797. The cubic root of 422867247 is about 750.5875378344.

The spelling of 422867247 in words is "four hundred twenty-two million, eight hundred sixty-seven thousand, two hundred forty-seven".