422237389321 has 12 divisors (see below), whose sum is σ = 476655748996. Its totient is φ = 373477785120.

The previous prime is 422237389283. The next prime is 422237389361. The reversal of 422237389321 is 123983732224.

It can be written as a sum of positive squares in 2 ways, for example, as 185033324025 + 237204065296 = 430155^2 + 487036^2 .

It is not a de Polignac number, because 422237389321 - 2³³ = 413647454729 is a prime.

It is a super-2 number, since 2×422237389321² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422237389361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47151810 + ... + 47160763.

Almost surely, 2^422237389321 is an apocalyptic number.

It is an amenable number.

422237389321 is a deficient number, since it is larger than the sum of its proper divisors (54418359675).

422237389321 is a wasteful number, since it uses less digits than its factorization.

422237389321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94312632 (or 94312621 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The spelling of 422237389321 in words is "four hundred twenty-two billion, two hundred thirty-seven million, three hundred eighty-nine thousand, three hundred twenty-one".