700221191 has 2 divisors, whose sum is σ = 700221192. Its totient is φ = 700221190.

The previous prime is 700221173. The next prime is 700221217. The reversal of 700221191 is 191122007.

700221191 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 is a cyclic number.

It is not a de Polignac number, because 700221191 - 2¹⁴ = 700204807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700221091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350110595 + 350110596.

It is an arithmetic number, because the mean of its divisors is an integer number (350110596).

Almost surely, 2^700221191 is an apocalyptic number.

700221191 is a deficient number, since it is larger than the sum of its proper divisors (1).

700221191 is an equidigital number, since it uses as much as digits as its factorization.

700221191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 700221191 is about 26461.6928974697. The cubic root of 700221191 is about 887.9975139766.

Adding to 700221191 its reverse (191122007), we get a palindrome (891343198).

The spelling of 700221191 in words is "seven hundred million, two hundred twenty-one thousand, one hundred ninety-one".