2190966227 has 2 divisors, whose sum is σ = 2190966228. Its totient is φ = 2190966226.

The previous prime is 2190966181. The next prime is 2190966313. The reversal of 2190966227 is 7226690912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2190966227 - 2²⁰ = 2189917651 is a prime.

It is not a weakly prime, because it can be changed into another prime (2190066227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095483113 + 1095483114.

It is an arithmetic number, because the mean of its divisors is an integer number (1095483114).

Almost surely, 2^2190966227 is an apocalyptic number.

2190966227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190966227 is an equidigital number, since it uses as much as digits as its factorization.

2190966227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2190966227 is about 46807.7581924193. The cubic root of 2190966227 is about 1298.8088155623.

The spelling of 2190966227 in words is "two billion, one hundred ninety million, nine hundred sixty-six thousand, two hundred twenty-seven".