723226 has 8 divisors (see below), whose sum is σ = 1239840. Its totient is φ = 309948.

The previous prime is 723221. The next prime is 723227. The reversal of 723226 is 622327.

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

It is a junction number, because it is equal to n+sod(n) for n = 723197 and 723206.

It is not an unprimeable number, because it can be changed into a prime (723221) 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, 25816 + ... + 25843.

It is an arithmetic number, because the mean of its divisors is an integer number (154980).

2⁷²³²²⁶ is an apocalyptic number.

723226 is a deficient number, since it is larger than the sum of its proper divisors (516614).

723226 is a wasteful number, since it uses less digits than its factorization.

723226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51668.

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

The square root of 723226 is about 850.4269515955. The cubic root of 723226 is about 89.7617567227.

It can be divided in two parts, 723 and 226, that added together give a palindrome (949).

The spelling of 723226 in words is "seven hundred twenty-three thousand, two hundred twenty-six".