722263219 has 2 divisors, whose sum is σ = 722263220. Its totient is φ = 722263218.

The previous prime is 722263211. The next prime is 722263231. The reversal of 722263219 is 912362227.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722263219 - 2³ = 722263211 is a prime.

It is a super-2 number, since 2×722263219² = 1043328315040483922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (722263211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361131609 + 361131610.

It is an arithmetic number, because the mean of its divisors is an integer number (361131610).

Almost surely, 2^722263219 is an apocalyptic number.

722263219 is a deficient number, since it is larger than the sum of its proper divisors (1).

722263219 is an equidigital number, since it uses as much as digits as its factorization.

722263219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 722263219 is about 26874.9552371720. The cubic root of 722263219 is about 897.2190781834.

The spelling of 722263219 in words is "seven hundred twenty-two million, two hundred sixty-three thousand, two hundred nineteen".