722042701 has 2 divisors, whose sum is σ = 722042702. Its totient is φ = 722042700.

The previous prime is 722042641. The next prime is 722042729. The reversal of 722042701 is 107240227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694269801 + 27772900 = 26349^2 + 5270^2 .

It is an emirp because it is prime and its reverse (107240227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722042701 - 2¹¹ = 722040653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722042771) 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, 361021350 + 361021351.

It is an arithmetic number, because the mean of its divisors is an integer number (361021351).

Almost surely, 2^722042701 is an apocalyptic number.

It is an amenable number.

722042701 is a deficient number, since it is larger than the sum of its proper divisors (1).

722042701 is an equidigital number, since it uses as much as digits as its factorization.

722042701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 722042701 is about 26870.8522566740. The cubic root of 722042701 is about 897.1277573230.

Adding to 722042701 its reverse (107240227), we get a palindrome (829282928).

The spelling of 722042701 in words is "seven hundred twenty-two million, forty-two thousand, seven hundred one".