722011 has 2 divisors, whose sum is σ = 722012. Its totient is φ = 722010.

The previous prime is 721997. The next prime is 722023. The reversal of 722011 is 110227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 722011 - 2⁵ = 721979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 721982 and 722000.

It is not a weakly prime, because it can be changed into another prime (722311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361005 + 361006.

It is an arithmetic number, because the mean of its divisors is an integer number (361006).

2⁷²²⁰¹¹ is an apocalyptic number.

722011 is a deficient number, since it is larger than the sum of its proper divisors (1).

722011 is an equidigital number, since it uses as much as digits as its factorization.

722011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 722011 is about 849.7123042536. The cubic root of 722011 is about 89.7114627784.

Adding to 722011 its reverse (110227), we get a palindrome (832238).

The spelling of 722011 in words is "seven hundred twenty-two thousand, eleven", and thus it is an iban number.