722021323 has 8 divisors (see below), whose sum is σ = 747356400. Its totient is φ = 696715488.

The previous prime is 722021317. The next prime is 722021347. The reversal of 722021323 is 323120227.

722021323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 722021323 - 2⁹ = 722020811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722021294 and 722021303.

It is not an unprimeable number, because it can be changed into a prime (722021353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50908 + ... + 63526.

It is an arithmetic number, because the mean of its divisors is an integer number (93419550).

Almost surely, 2^722021323 is an apocalyptic number.

722021323 is a deficient number, since it is larger than the sum of its proper divisors (25335077).

722021323 is a wasteful number, since it uses less digits than its factorization.

722021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14621.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 722021323 is about 26870.4544621039. The cubic root of 722021323 is about 897.1189032822.

The spelling of 722021323 in words is "seven hundred twenty-two million, twenty-one thousand, three hundred twenty-three".