422424143 has 8 divisors (see below), whose sum is σ = 448037568. Its totient is φ = 396895744.

The previous prime is 422424137. The next prime is 422424173. The reversal of 422424143 is 341424224.

It is a happy number.

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 422424143 - 2¹⁴ = 422407759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422424103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10871 + ... + 31032.

It is an arithmetic number, because the mean of its divisors is an integer number (56004696).

Almost surely, 2^422424143 is an apocalyptic number.

422424143 is a deficient number, since it is larger than the sum of its proper divisors (25613425).

422424143 is a wasteful number, since it uses less digits than its factorization.

422424143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42513.

The product of its digits is 6144, while the sum is 26.

The square root of 422424143 is about 20552.9594705969. The cubic root of 422424143 is about 750.3252769802.

Adding to 422424143 its reverse (341424224), we get a palindrome (763848367).

The spelling of 422424143 in words is "four hundred twenty-two million, four hundred twenty-four thousand, one hundred forty-three".