7422449 has 2 divisors, whose sum is σ = 7422450. Its totient is φ = 7422448.

The previous prime is 7422433. The next prime is 7422469. The reversal of 7422449 is 9442247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4840000 + 2582449 = 2200^2 + 1607^2 .

It is an emirp because it is prime and its reverse (9442247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7422449 - 2⁴ = 7422433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7422409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711224 + 3711225.

It is an arithmetic number, because the mean of its divisors is an integer number (3711225).

Almost surely, 2^7422449 is an apocalyptic number.

It is an amenable number.

7422449 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422449 is an equidigital number, since it uses as much as digits as its factorization.

7422449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 7422449 is about 2724.4171853811. The cubic root of 7422449 is about 195.0663723219.

The spelling of 7422449 in words is "seven million, four hundred twenty-two thousand, four hundred forty-nine".