722293223 has 2 divisors, whose sum is σ = 722293224. Its totient is φ = 722293222.

The previous prime is 722293217. The next prime is 722293241. The reversal of 722293223 is 322392227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722293223 - 2⁴ = 722293207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722293223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722293283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361146611 + 361146612.

It is an arithmetic number, because the mean of its divisors is an integer number (361146612).

Almost surely, 2^722293223 is an apocalyptic number.

722293223 is a deficient number, since it is larger than the sum of its proper divisors (1).

722293223 is an equidigital number, since it uses as much as digits as its factorization.

722293223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 722293223 is about 26875.5134462581. The cubic root of 722293223 is about 897.2315019959.

The spelling of 722293223 in words is "seven hundred twenty-two million, two hundred ninety-three thousand, two hundred twenty-three".