722398481 has 16 divisors (see below), whose sum is σ = 837703680. Its totient is φ = 610182720.

The previous prime is 722398463. The next prime is 722398499. The reversal of 722398481 is 184893227.

722398481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (722398463) and next prime (722398499).

It is not a de Polignac number, because 722398481 - 2¹⁰ = 722397457 is a prime.

It is a super-2 number, since 2×722398481² = 1043719130702214722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722398451) 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, 143255 + ... + 148211.

It is an arithmetic number, because the mean of its divisors is an integer number (52356480).

Almost surely, 2^722398481 is an apocalyptic number.

It is an amenable number.

722398481 is a deficient number, since it is larger than the sum of its proper divisors (115305199).

722398481 is a wasteful number, since it uses less digits than its factorization.

722398481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264.

The product of its digits is 193536, while the sum is 44.

The square root of 722398481 is about 26877.4716258803. The cubic root of 722398481 is about 897.2750836528.

The spelling of 722398481 in words is "seven hundred twenty-two million, three hundred ninety-eight thousand, four hundred eighty-one".