722714261 has 2 divisors, whose sum is σ = 722714262. Its totient is φ = 722714260.

The previous prime is 722714243. The next prime is 722714299. The reversal of 722714261 is 162417227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706762225 + 15952036 = 26585^2 + 3994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722714261 is a prime.

It is a super-2 number, since 2×722714261² = 1044631806105552242, which contains 22 as substring.

It is a Chen prime.

It is equal to p_37367411 and since 722714261 and 37367411 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722714561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361357130 + 361357131.

It is an arithmetic number, because the mean of its divisors is an integer number (361357131).

Almost surely, 2^722714261 is an apocalyptic number.

It is an amenable number.

722714261 is a deficient number, since it is larger than the sum of its proper divisors (1).

722714261 is an equidigital number, since it uses as much as digits as its factorization.

722714261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 722714261 is about 26883.3454205387. The cubic root of 722714261 is about 897.4058057118.

The spelling of 722714261 in words is "seven hundred twenty-two million, seven hundred fourteen thousand, two hundred sixty-one".