16622234437 has 2 divisors, whose sum is σ = 16622234438. Its totient is φ = 16622234436.

The previous prime is 16622234411. The next prime is 16622234521. The reversal of 16622234437 is 73443222661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16452166756 + 170067681 = 128266^2 + 13041^2 .

It is a cyclic number.

It is not a de Polignac number, because 16622234437 - 2¹⁵ = 16622201669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16622234437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16622234137) 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 as a sum of consecutive naturals, namely, 8311117218 + 8311117219.

It is an arithmetic number, because the mean of its divisors is an integer number (8311117219).

Almost surely, 2^16622234437 is an apocalyptic number.

It is an amenable number.

16622234437 is a deficient number, since it is larger than the sum of its proper divisors (1).

16622234437 is an equidigital number, since it uses as much as digits as its factorization.

16622234437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 40.

The spelling of 16622234437 in words is "sixteen billion, six hundred twenty-two million, two hundred thirty-four thousand, four hundred thirty-seven".