422142031 has 8 divisors (see below), whose sum is σ = 425959424. Its totient is φ = 418332600.

The previous prime is 422141999. The next prime is 422142037. The reversal of 422142031 is 130241224.

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 422142031 - 2⁵ = 422141999 is a prime.

It is a super-2 number, since 2×422142031² = 356407788673609922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422142037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164206 + ... + 166756.

It is an arithmetic number, because the mean of its divisors is an integer number (53244928).

Almost surely, 2^422142031 is an apocalyptic number.

422142031 is a deficient number, since it is larger than the sum of its proper divisors (3817393).

422142031 is a wasteful number, since it uses less digits than its factorization.

422142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 422142031 is about 20546.0952737984. The cubic root of 422142031 is about 750.1582072175.

Adding to 422142031 its reverse (130241224), we get a palindrome (552383255).

The spelling of 422142031 in words is "four hundred twenty-two million, one hundred forty-two thousand, thirty-one".