722234609 has 2 divisors, whose sum is σ = 722234610. Its totient is φ = 722234608.

The previous prime is 722234599. The next prime is 722234629. The reversal of 722234609 is 906432227.

It is a happy number.

722234609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386319025 + 335915584 = 19655^2 + 18328^2 .

It is an emirp because it is prime and its reverse (906432227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722234609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (722234629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361117304 + 361117305.

It is an arithmetic number, because the mean of its divisors is an integer number (361117305).

Almost surely, 2^722234609 is an apocalyptic number.

It is an amenable number.

722234609 is a deficient number, since it is larger than the sum of its proper divisors (1).

722234609 is an equidigital number, since it uses as much as digits as its factorization.

722234609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 722234609 is about 26874.4229519445. The cubic root of 722234609 is about 897.2072312666.

The spelling of 722234609 in words is "seven hundred twenty-two million, two hundred thirty-four thousand, six hundred nine".