722069 has 2 divisors, whose sum is σ = 722070. Its totient is φ = 722068.

The previous prime is 722063. The next prime is 722077. The reversal of 722069 is 960227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624100 + 97969 = 790^2 + 313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722069 is a prime.

It is a super-2 number, since 2×722069² = 1042767281522, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722069.

It is not a weakly prime, because it can be changed into another prime (722063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361034 + 361035.

It is an arithmetic number, because the mean of its divisors is an integer number (361035).

2⁷²²⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

722069 is a deficient number, since it is larger than the sum of its proper divisors (1).

722069 is an equidigital number, since it uses as much as digits as its factorization.

722069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 722069 is about 849.7464327669. The cubic root of 722069 is about 89.7138649235.

The spelling of 722069 in words is "seven hundred twenty-two thousand, sixty-nine".