422031 has 4 divisors (see below), whose sum is σ = 562712. Its totient is φ = 281352.

The previous prime is 422029. The next prime is 422041. The reversal of 422031 is 130224.

422031 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 422031 - 2¹ = 422029 is a prime.

It is a super-2 number, since 2×422031² = 356220329922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

422031 is strictly pandigital in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 421998 and 422016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70336 + ... + 70341.

It is an arithmetic number, because the mean of its divisors is an integer number (140678).

2⁴²²⁰³¹ is an apocalyptic number.

422031 is a deficient number, since it is larger than the sum of its proper divisors (140681).

422031 is a wasteful number, since it uses less digits than its factorization.

422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140680.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 422031 is about 649.6391305948. The cubic root of 422031 is about 75.0092433052.

Adding to 422031 its reverse (130224), we get a palindrome (552255).

The spelling of 422031 in words is "four hundred twenty-two thousand, thirty-one".