7322129 has 2 divisors, whose sum is σ = 7322130. Its totient is φ = 7322128.

The previous prime is 7322113. The next prime is 7322131. The reversal of 7322129 is 9212237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5513104 + 1809025 = 2348^2 + 1345^2 .

It is an emirp because it is prime and its reverse (9212237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7322129 - 2⁴ = 7322113 is a prime.

It is a super-2 number, since 2×7322129² = 107227146185282, which contains 22 as substring.

Together with 7322131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7322098 and 7322107.

It is not a weakly prime, because it can be changed into another prime (7322179) 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, 3661064 + 3661065.

It is an arithmetic number, because the mean of its divisors is an integer number (3661065).

Almost surely, 2^7322129 is an apocalyptic number.

It is an amenable number.

7322129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7322129 is an equidigital number, since it uses as much as digits as its factorization.

7322129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 7322129 is about 2705.9432736109. The cubic root of 7322129 is about 194.1835599228.

The spelling of 7322129 in words is "seven million, three hundred twenty-two thousand, one hundred twenty-nine".