422223523922 has 6 divisors (see below), whose sum is σ = 633336664293. Its totient is φ = 211111302492.

The previous prime is 422223523921. The next prime is 422223523957. The reversal of 422223523922 is 229325322224.

It can be written as a sum of positive squares in 2 ways, for example, as 286739901361 + 135483622561 = 535481^2 + 368081^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459469.

It is a super-2 number, since 2×422223523922² (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 (422223523921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 689204 + ... + 1148672.

Almost surely, 2^422223523922 is an apocalyptic number.

422223523922 is a deficient number, since it is larger than the sum of its proper divisors (211113140371).

422223523922 is an frugal number, since it uses more digits than its factorization.

422223523922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918940 (or 459471 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The spelling of 422223523922 in words is "four hundred twenty-two billion, two hundred twenty-three million, five hundred twenty-three thousand, nine hundred twenty-two".