701238221 has 2 divisors, whose sum is σ = 701238222. Its totient is φ = 701238220.

The previous prime is 701238217. The next prime is 701238227. The reversal of 701238221 is 122832107.

701238221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354757225 + 346480996 = 18835^2 + 18614^2 .

It is a cyclic number.

It is not a de Polignac number, because 701238221 - 2² = 701238217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (701238227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350619110 + 350619111.

It is an arithmetic number, because the mean of its divisors is an integer number (350619111).

Almost surely, 2^701238221 is an apocalyptic number.

It is an amenable number.

701238221 is a deficient number, since it is larger than the sum of its proper divisors (1).

701238221 is an equidigital number, since it uses as much as digits as its factorization.

701238221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 701238221 is about 26480.9029491066. The cubic root of 701238221 is about 888.4272273457.

The spelling of 701238221 in words is "seven hundred one million, two hundred thirty-eight thousand, two hundred twenty-one".