422232499081 has 2 divisors, whose sum is σ = 422232499082. Its totient is φ = 422232499080.

The previous prime is 422232499079. The next prime is 422232499103. The reversal of 422232499081 is 180994232224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219206558025 + 203025941056 = 468195^2 + 450584^2 .

It is a cyclic number.

It is not a de Polignac number, because 422232499081 - 2¹ = 422232499079 is a prime.

It is a super-2 number, since 2×422232499081² (a number of 24 digits) contains 22 as substring.

Together with 422232499079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (422232499981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211116249540 + 211116249541.

It is an arithmetic number, because the mean of its divisors is an integer number (211116249541).

Almost surely, 2^422232499081 is an apocalyptic number.

It is an amenable number.

422232499081 is a deficient number, since it is larger than the sum of its proper divisors (1).

422232499081 is an equidigital number, since it uses as much as digits as its factorization.

422232499081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 422232499081 in words is "four hundred twenty-two billion, two hundred thirty-two million, four hundred ninety-nine thousand, eighty-one".