722208353 has 2 divisors, whose sum is σ = 722208354. Its totient is φ = 722208352.

The previous prime is 722208337. The next prime is 722208401. The reversal of 722208353 is 353802227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 676416064 + 45792289 = 26008^2 + 6767^2 .

It is an emirp because it is prime and its reverse (353802227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722208353 - 2⁴ = 722208337 is a prime.

It is not a weakly prime, because it can be changed into another prime (722208323) 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, 361104176 + 361104177.

It is an arithmetic number, because the mean of its divisors is an integer number (361104177).

Almost surely, 2^722208353 is an apocalyptic number.

It is an amenable number.

722208353 is a deficient number, since it is larger than the sum of its proper divisors (1).

722208353 is an equidigital number, since it uses as much as digits as its factorization.

722208353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 722208353 is about 26873.9344532951. The cubic root of 722208353 is about 897.1963588261.

The spelling of 722208353 in words is "seven hundred twenty-two million, two hundred eight thousand, three hundred fifty-three".