722444117 has 2 divisors, whose sum is σ = 722444118. Its totient is φ = 722444116.

The previous prime is 722444111. The next prime is 722444131. The reversal of 722444117 is 711444227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705911761 + 16532356 = 26569^2 + 4066^2 .

It is a cyclic number.

It is not a de Polignac number, because 722444117 - 2¹⁸ = 722181973 is a prime.

It is a Chen prime.

It is equal to p_37354019 and since 722444117 and 37354019 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 (722444111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361222058 + 361222059.

It is an arithmetic number, because the mean of its divisors is an integer number (361222059).

Almost surely, 2^722444117 is an apocalyptic number.

It is an amenable number.

722444117 is a deficient number, since it is larger than the sum of its proper divisors (1).

722444117 is an equidigital number, since it uses as much as digits as its factorization.

722444117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 32.

The square root of 722444117 is about 26878.3205762562. The cubic root of 722444117 is about 897.2939777418.

The spelling of 722444117 in words is "seven hundred twenty-two million, four hundred forty-four thousand, one hundred seventeen".