422230133221 has 4 divisors (see below), whose sum is σ = 454709374252. Its totient is φ = 389750892192.

The previous prime is 422230133219. The next prime is 422230133231. The reversal of 422230133221 is 122331032224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 243799925121 + 178430208100 = 493761^2 + 422410^2 .

It is a cyclic number.

It is not a de Polignac number, because 422230133221 - 2¹ = 422230133219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422230133201) 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, 16239620496 + ... + 16239620521.

It is an arithmetic number, because the mean of its divisors is an integer number (113677343563).

Almost surely, 2^422230133221 is an apocalyptic number.

It is an amenable number.

422230133221 is a deficient number, since it is larger than the sum of its proper divisors (32479241031).

422230133221 is a wasteful number, since it uses less digits than its factorization.

422230133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32479241030.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 422230133221 its reverse (122331032224), we get a palindrome (544561165445).

The spelling of 422230133221 in words is "four hundred twenty-two billion, two hundred thirty million, one hundred thirty-three thousand, two hundred twenty-one".