422231130221 has 16 divisors (see below), whose sum is σ = 442481287680. Its totient is φ = 402140471040.

The previous prime is 422231130199. The next prime is 422231130239. The reversal of 422231130221 is 122031132224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422231130221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422231130421) 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, 10782245 + ... + 10821333.

It is an arithmetic number, because the mean of its divisors is an integer number (27655080480).

Almost surely, 2^422231130221 is an apocalyptic number.

It is an amenable number.

422231130221 is a deficient number, since it is larger than the sum of its proper divisors (20250157459).

422231130221 is a wasteful number, since it uses less digits than its factorization.

422231130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41116.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 422231130221 its reverse (122031132224), we get a palindrome (544262262445).

The spelling of 422231130221 in words is "four hundred twenty-two billion, two hundred thirty-one million, one hundred thirty thousand, two hundred twenty-one".