422837165 has 8 divisors (see below), whose sum is σ = 508711320. Its totient is φ = 337398592.

The previous prime is 422837161. The next prime is 422837171. The reversal of 422837165 is 561738224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 422836969 = 14^2 + 20563^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 422837165 - 2² = 422837161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422837161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106754 + ... + 110643.

It is an arithmetic number, because the mean of its divisors is an integer number (63588915).

Almost surely, 2^422837165 is an apocalyptic number.

It is an amenable number.

422837165 is a deficient number, since it is larger than the sum of its proper divisors (85874155).

422837165 is a wasteful number, since it uses less digits than its factorization.

422837165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217791.

The product of its digits is 80640, while the sum is 38.

The square root of 422837165 is about 20563.0047658410. The cubic root of 422837165 is about 750.5697389390.

The spelling of 422837165 in words is "four hundred twenty-two million, eight hundred thirty-seven thousand, one hundred sixty-five".