422666438881 has 16 divisors (see below), whose sum is σ = 447507720000. Its totient is φ = 398513763648.

The previous prime is 422666438809. The next prime is 422666438947. The reversal of 422666438881 is 188834666224.

It is a cyclic number.

It is not a de Polignac number, because 422666438881 - 2¹¹ = 422666436833 is a prime.

It is a super-2 number, since 2×422666438881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422666430881) 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, 6046870 + ... + 6116368.

It is an arithmetic number, because the mean of its divisors is an integer number (27969232500).

Almost surely, 2^422666438881 is an apocalyptic number.

It is an amenable number.

422666438881 is a deficient number, since it is larger than the sum of its proper divisors (24841281119).

422666438881 is a wasteful number, since it uses less digits than its factorization.

422666438881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74448.

The product of its digits is 21233664, while the sum is 58.

The spelling of 422666438881 in words is "four hundred twenty-two billion, six hundred sixty-six million, four hundred thirty-eight thousand, eight hundred eighty-one".