722481 has 8 divisors (see below), whose sum is σ = 976800. Its totient is φ = 474912.

The previous prime is 722479. The next prime is 722489. The reversal of 722481 is 184227.

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

It is not a de Polignac number, because 722481 - 2¹ = 722479 is a prime.

It is a super-2 number, since 2×722481² = 1043957590722, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722481.

It is not an unprimeable number, because it can be changed into a prime (722489) 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, 1431 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (122100).

2⁷²²⁴⁸¹ is an apocalyptic number.

It is an amenable number.

722481 is a deficient number, since it is larger than the sum of its proper divisors (254319).

722481 is a wasteful number, since it uses less digits than its factorization.

722481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375.

The product of its digits is 896, while the sum is 24.

The square root of 722481 is about 849.9888234559. The cubic root of 722481 is about 89.7309247357.

The spelling of 722481 in words is "seven hundred twenty-two thousand, four hundred eighty-one".