722520446 has 8 divisors (see below), whose sum is σ = 1088641344. Its totient is φ = 359640000.

The previous prime is 722520439. The next prime is 722520499. The reversal of 722520446 is 644025227.

722520446 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809555 + ... + 810446.

It is an arithmetic number, because the mean of its divisors is an integer number (136080168).

Almost surely, 2^722520446 is an apocalyptic number.

722520446 is a deficient number, since it is larger than the sum of its proper divisors (366120898).

722520446 is a wasteful number, since it uses less digits than its factorization.

722520446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620226.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 722520446 is about 26879.7404377349. The cubic root of 722520446 is about 897.3255774824.

The spelling of 722520446 in words is "seven hundred twenty-two million, five hundred twenty thousand, four hundred forty-six".