722602061 has 2 divisors, whose sum is σ = 722602062. Its totient is φ = 722602060.

The previous prime is 722602039. The next prime is 722602073. The reversal of 722602061 is 160206227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 566202025 + 156400036 = 23795^2 + 12506^2 .

It is a cyclic number.

It is not a de Polignac number, because 722602061 - 2²² = 718407757 is a prime.

It is a super-2 number, since 2×722602061² = 1044307477122895442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 722602061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722602031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361301030 + 361301031.

It is an arithmetic number, because the mean of its divisors is an integer number (361301031).

Almost surely, 2^722602061 is an apocalyptic number.

It is an amenable number.

722602061 is a deficient number, since it is larger than the sum of its proper divisors (1).

722602061 is an equidigital number, since it uses as much as digits as its factorization.

722602061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 722602061 is about 26881.2585456857. The cubic root of 722602061 is about 897.3593631328.

Adding to 722602061 its reverse (160206227), we get a palindrome (882808288).

The spelling of 722602061 in words is "seven hundred twenty-two million, six hundred two thousand, sixty-one".