163422172322 has 8 divisors (see below), whose sum is σ = 251112118572. Its totient is φ = 79718132800.

The previous prime is 163422172321. The next prime is 163422172339. The reversal of 163422172322 is 223271224361.

It can be written as a sum of positive squares in 2 ways, for example, as 124044135601 + 39378036721 = 352199^2 + 198439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (163422172321) 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, 996476579 + ... + 996476742.

Almost surely, 2^163422172322 is an apocalyptic number.

163422172322 is a deficient number, since it is larger than the sum of its proper divisors (87689946250).

163422172322 is a wasteful number, since it uses less digits than its factorization.

163422172322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992953364.

The product of its digits is 48384, while the sum is 35.

Adding to 163422172322 its reverse (223271224361), we get a palindrome (386693396683).

The spelling of 163422172322 in words is "one hundred sixty-three billion, four hundred twenty-two million, one hundred seventy-two thousand, three hundred twenty-two".