722814061 has 2 divisors, whose sum is σ = 722814062. Its totient is φ = 722814060.

The previous prime is 722814013. The next prime is 722814083. The reversal of 722814061 is 160418227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660798436 + 62015625 = 25706^2 + 7875^2 .

It is a cyclic number.

It is not a de Polignac number, because 722814061 - 2²⁵ = 689259629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722814361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361407030 + 361407031.

It is an arithmetic number, because the mean of its divisors is an integer number (361407031).

Almost surely, 2^722814061 is an apocalyptic number.

It is an amenable number.

722814061 is a deficient number, since it is larger than the sum of its proper divisors (1).

722814061 is an equidigital number, since it uses as much as digits as its factorization.

722814061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 722814061 is about 26885.2015242587. The cubic root of 722814061 is about 897.4471115603.

The spelling of 722814061 in words is "seven hundred twenty-two million, eight hundred fourteen thousand, sixty-one".