2210211491 has 2 divisors, whose sum is σ = 2210211492. Its totient is φ = 2210211490.

The previous prime is 2210211457. The next prime is 2210211503. The reversal of 2210211491 is 1941120122.

2210211491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2210211491 - 2¹⁰ = 2210210467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210211431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105105745 + 1105105746.

It is an arithmetic number, because the mean of its divisors is an integer number (1105105746).

Almost surely, 2^2210211491 is an apocalyptic number.

2210211491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210211491 is an equidigital number, since it uses as much as digits as its factorization.

2210211491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2210211491 is about 47012.8864355296. The cubic root of 2210211491 is about 1302.6006108525.

The spelling of 2210211491 in words is "two billion, two hundred ten million, two hundred eleven thousand, four hundred ninety-one".