16422222274237 has 6 divisors (see below), whose sum is σ = 17685485876702. Its totient is φ = 15158960919672.

The previous prime is 16422222274217. The next prime is 16422222274363. The reversal of 16422222274237 is 73247222222461.

It can be written as a sum of positive squares in only one way, i.e., 11369230805241 + 5052991468996 = 3371829^2 + 2247886^2 .

It is not a de Polignac number, because 16422222274237 - 2¹⁹ = 16422221749949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422222274207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14049288 + ... + 15173230.

Almost surely, 2^{16422222274237} is an apocalyptic number.

It is an amenable number.

16422222274237 is a deficient number, since it is larger than the sum of its proper divisors (1263263602465).

16422222274237 is an frugal number, since it uses more digits than its factorization.

16422222274237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247899 (or 1123956 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 46.

Adding to 16422222274237 its reverse (73247222222461), we get a palindrome (89669444496698).

The spelling of 16422222274237 in words is "sixteen trillion, four hundred twenty-two billion, two hundred twenty-two million, two hundred seventy-four thousand, two hundred thirty-seven".