422299 has 4 divisors (see below), whose sum is σ = 423864. Its totient is φ = 420736.

The previous prime is 422291. The next prime is 422309. The reversal of 422299 is 992224.

It is a happy number.

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 422299 - 2³ = 422291 is a prime.

It is a Duffinian number.

422299 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (422291) 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, 262 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (105966).

2⁴²²²⁹⁹ is an apocalyptic number.

422299 is a deficient number, since it is larger than the sum of its proper divisors (1565).

422299 is a wasteful number, since it uses less digits than its factorization.

422299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its digits is 2592, while the sum is 28.

The square root of 422299 is about 649.8453662218. The cubic root of 422299 is about 75.0251175131.

The spelling of 422299 in words is "four hundred twenty-two thousand, two hundred ninety-nine".