722326 has 8 divisors (see below), whose sum is σ = 1182024. Its totient is φ = 328320.

The previous prime is 722321. The next prime is 722333. The reversal of 722326 is 623227.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 32833 = 722326 / (7 + 2 + 2 + 3 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 722297 and 722306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16395 + ... + 16438.

It is an arithmetic number, because the mean of its divisors is an integer number (147753).

2⁷²²³²⁶ is an apocalyptic number.

722326 is a deficient number, since it is larger than the sum of its proper divisors (459698).

722326 is a wasteful number, since it uses less digits than its factorization.

722326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32846.

The product of its digits is 1008, while the sum is 22.

The square root of 722326 is about 849.8976408957. The cubic root of 722326 is about 89.7245073637.

Subtracting from 722326 its reverse (623227), we obtain a palindrome (99099).

The spelling of 722326 in words is "seven hundred twenty-two thousand, three hundred twenty-six".