2214215191 has 2 divisors, whose sum is σ = 2214215192. Its totient is φ = 2214215190.

The previous prime is 2214215177. The next prime is 2214215203. The reversal of 2214215191 is 1915124122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2214215191 - 2²³ = 2205826583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2214215131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107107595 + 1107107596.

It is an arithmetic number, because the mean of its divisors is an integer number (1107107596).

Almost surely, 2^2214215191 is an apocalyptic number.

2214215191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214215191 is an equidigital number, since it uses as much as digits as its factorization.

2214215191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 2214215191 is about 47055.4480480210. The cubic root of 2214215191 is about 1303.3866707996.

The spelling of 2214215191 in words is "two billion, two hundred fourteen million, two hundred fifteen thousand, one hundred ninety-one".