722001337 has 2 divisors, whose sum is σ = 722001338. Its totient is φ = 722001336.

The previous prime is 722001283. The next prime is 722001341. The reversal of 722001337 is 733100227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 690428176 + 31573161 = 26276^2 + 5619^2 .

It is a cyclic number.

It is not a de Polignac number, because 722001337 - 2⁷ = 722001209 is a prime.

It is not a weakly prime, because it can be changed into another prime (722001367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361000668 + 361000669.

It is an arithmetic number, because the mean of its divisors is an integer number (361000669).

Almost surely, 2^722001337 is an apocalyptic number.

It is an amenable number.

722001337 is a deficient number, since it is larger than the sum of its proper divisors (1).

722001337 is an equidigital number, since it uses as much as digits as its factorization.

722001337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 722001337 is about 26870.0825640711. The cubic root of 722001337 is about 897.1106256025.

It can be divided in two parts, 72200 and 1337, that added together give a palindrome (73537).

The spelling of 722001337 in words is "seven hundred twenty-two million, one thousand, three hundred thirty-seven".