722242306 has 16 divisors (see below), whose sum is σ = 1110993408. Its totient is φ = 351930400.

The previous prime is 722242291. The next prime is 722242333. The reversal of 722242306 is 603242227.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 80271 + ... + 88813.

It is an arithmetic number, because the mean of its divisors is an integer number (69437088).

Almost surely, 2^722242306 is an apocalyptic number.

722242306 is a deficient number, since it is larger than the sum of its proper divisors (388751102).

722242306 is a wasteful number, since it uses less digits than its factorization.

722242306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 722242306 is about 26874.5661546377. The cubic root of 722242306 is about 897.2104184948.

The spelling of 722242306 in words is "seven hundred twenty-two million, two hundred forty-two thousand, three hundred six".