722301644 has 48 divisors (see below), whose sum is σ = 1416683520. Its totient is φ = 320221440.

The previous prime is 722301641. The next prime is 722301703. The reversal of 722301644 is 446103227.

722301644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (722301641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245309 + ... + 248235.

It is an arithmetic number, because the mean of its divisors is an integer number (29514240).

Almost surely, 2^722301644 is an apocalyptic number.

It is an amenable number.

722301644 is a deficient number, since it is larger than the sum of its proper divisors (694381876).

722301644 is a wasteful number, since it uses less digits than its factorization.

722301644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158 (or 3156 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 722301644 is about 26875.6701125758. The cubic root of 722301644 is about 897.2349888334.

The spelling of 722301644 in words is "seven hundred twenty-two million, three hundred one thousand, six hundred forty-four".