722243 has 2 divisors, whose sum is σ = 722244. Its totient is φ = 722242.

The previous prime is 722237. The next prime is 722257. The reversal of 722243 is 342227.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722243 - 2¹⁰ = 721219 is a prime.

It is not a weakly prime, because it can be changed into another prime (722213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361121 + 361122.

It is an arithmetic number, because the mean of its divisors is an integer number (361122).

2⁷²²²⁴³ is an apocalyptic number.

722243 is a deficient number, since it is larger than the sum of its proper divisors (1).

722243 is an equidigital number, since it uses as much as digits as its factorization.

722243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 20.

The square root of 722243 is about 849.8488100833. The cubic root of 722243 is about 89.7210705870.

It can be divided in two parts, 72224 and 3, that added together give a palindrome (72227).

The spelling of 722243 in words is "seven hundred twenty-two thousand, two hundred forty-three", and thus it is an iban number.