722488481 has 16 divisors (see below), whose sum is σ = 849683520. Its totient is φ = 605651520.

The previous prime is 722488477. The next prime is 722488499. The reversal of 722488481 is 184884227.

It is a cyclic number.

It is not a de Polignac number, because 722488481 - 2² = 722488477 is a prime.

It is a super-2 number, since 2×722488481² = 1043979210355374722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722488411) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 178031 + ... + 182043.

It is an arithmetic number, because the mean of its divisors is an integer number (53105220).

Almost surely, 2^722488481 is an apocalyptic number.

It is an amenable number.

722488481 is a deficient number, since it is larger than the sum of its proper divisors (127195039).

722488481 is a wasteful number, since it uses less digits than its factorization.

722488481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296.

The product of its digits is 229376, while the sum is 44.

The square root of 722488481 is about 26879.1458383632. The cubic root of 722488481 is about 897.3123444382.

The spelling of 722488481 in words is "seven hundred twenty-two million, four hundred eighty-eight thousand, four hundred eighty-one".