14722909 has 2 divisors, whose sum is σ = 14722910. Its totient is φ = 14722908.

The previous prime is 14722889. The next prime is 14722913. The reversal of 14722909 is 90922741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14462809 + 260100 = 3803^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 14722909 - 2¹³ = 14714717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14722999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7361454 + 7361455.

It is an arithmetic number, because the mean of its divisors is an integer number (7361455).

Almost surely, 2^14722909 is an apocalyptic number.

It is an amenable number.

14722909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14722909 is an equidigital number, since it uses as much as digits as its factorization.

14722909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 14722909 is about 3837.0443051912. The cubic root of 14722909 is about 245.0931701729.

The spelling of 14722909 in words is "fourteen million, seven hundred twenty-two thousand, nine hundred nine".