722255741 has 2 divisors, whose sum is σ = 722255742. Its totient is φ = 722255740.

The previous prime is 722255719. The next prime is 722255767. The reversal of 722255741 is 147552227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426587716 + 295668025 = 20654^2 + 17195^2 .

It is an emirp because it is prime and its reverse (147552227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722255741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722255041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361127870 + 361127871.

It is an arithmetic number, because the mean of its divisors is an integer number (361127871).

Almost surely, 2^722255741 is an apocalyptic number.

It is an amenable number.

722255741 is a deficient number, since it is larger than the sum of its proper divisors (1).

722255741 is an equidigital number, since it uses as much as digits as its factorization.

722255741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 35.

The square root of 722255741 is about 26874.8161109988. The cubic root of 722255741 is about 897.2159817004.

The spelling of 722255741 in words is "seven hundred twenty-two million, two hundred fifty-five thousand, seven hundred forty-one".