422836142 has 8 divisors (see below), whose sum is σ = 634347336. Its totient is φ = 211387032.

The previous prime is 422836123. The next prime is 422836207. The reversal of 422836142 is 241638224.

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

It is a junction number, because it is equal to n+sod(n) for n = 422836099 and 422836108.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9713 + ... + 30659.

It is an arithmetic number, because the mean of its divisors is an integer number (79293417).

Almost surely, 2^422836142 is an apocalyptic number.

422836142 is a deficient number, since it is larger than the sum of its proper divisors (211511194).

422836142 is a wasteful number, since it uses less digits than its factorization.

422836142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31042.

The product of its digits is 18432, while the sum is 32.

The square root of 422836142 is about 20562.9798910566. The cubic root of 422836142 is about 750.5691336363.

The spelling of 422836142 in words is "four hundred twenty-two million, eight hundred thirty-six thousand, one hundred forty-two".