14422231997 has 2 divisors, whose sum is σ = 14422231998. Its totient is φ = 14422231996.

The previous prime is 14422231987. The next prime is 14422232009. The reversal of 14422231997 is 79913222441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13116204676 + 1306027321 = 114526^2 + 36139^2 .

It is a cyclic number.

It is not a de Polignac number, because 14422231997 - 2²² = 14418037693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14422231987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7211115998 + 7211115999.

It is an arithmetic number, because the mean of its divisors is an integer number (7211115999).

Almost surely, 2^14422231997 is an apocalyptic number.

It is an amenable number.

14422231997 is a deficient number, since it is larger than the sum of its proper divisors (1).

14422231997 is an equidigital number, since it uses as much as digits as its factorization.

14422231997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The spelling of 14422231997 in words is "fourteen billion, four hundred twenty-two million, two hundred thirty-one thousand, nine hundred ninety-seven".