722403 has 12 divisors (see below), whose sum is σ = 1138488. Its totient is φ = 437760.

The previous prime is 722389. The next prime is 722411. The reversal of 722403 is 304227.

It is a happy number.

722403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722403 - 2⁸ = 722147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3550 + ... + 3747.

It is an arithmetic number, because the mean of its divisors is an integer number (94874).

2⁷²²⁴⁰³ is an apocalyptic number.

722403 is a deficient number, since it is larger than the sum of its proper divisors (416085).

722403 is a wasteful number, since it uses less digits than its factorization.

722403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7314 (or 7311 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 722403 is about 849.9429392612. The cubic root of 722403 is about 89.7276954632.

The spelling of 722403 in words is "seven hundred twenty-two thousand, four hundred three", and thus it is an iban number.