422131121 has 16 divisors (see below), whose sum is σ = 453358080. Its totient is φ = 392071680.

The previous prime is 422131117. The next prime is 422131141. The reversal of 422131121 is 121131224.

It is a cyclic number.

It is not a de Polignac number, because 422131121 - 2² = 422131117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422131121.

It is not an unprimeable number, because it can be changed into a prime (422131141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224441 + ... + 226313.

It is an arithmetic number, because the mean of its divisors is an integer number (28334880).

Almost surely, 2^422131121 is an apocalyptic number.

422131121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

422131121 is a deficient number, since it is larger than the sum of its proper divisors (31226959).

422131121 is a wasteful number, since it uses less digits than its factorization.

422131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its digits is 96, while the sum is 17.

The square root of 422131121 is about 20545.8297715132. The cubic root of 422131121 is about 750.1517447034.

Adding to 422131121 its reverse (121131224), we get a palindrome (543262345).

It can be divided in two parts, 42213 and 1121, that added together give a palindrome (43334).

The spelling of 422131121 in words is "four hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-one".