422131 has 4 divisors (see below), whose sum is σ = 431992. Its totient is φ = 412272.

The previous prime is 422129. The next prime is 422137. The reversal of 422131 is 131224.

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 422131 - 2¹ = 422129 is a prime.

It is a super-2 number, since 2×422131² = 356389162322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (422137) 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, 4866 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (107998).

2⁴²²¹³¹ is an apocalyptic number.

422131 is a deficient number, since it is larger than the sum of its proper divisors (9861).

422131 is an equidigital number, since it uses as much as digits as its factorization.

422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860.

The product of its digits is 48, while the sum is 13.

The square root of 422131 is about 649.7160918432. The cubic root of 422131 is about 75.0151673029.

Adding to 422131 its reverse (131224), we get a palindrome (553355).

The spelling of 422131 in words is "four hundred twenty-two thousand, one hundred thirty-one".