2291827 has 2 divisors, whose sum is σ = 2291828. Its totient is φ = 2291826.

The previous prime is 2291803. The next prime is 2291851. The reversal of 2291827 is 7281922.

It is a balanced prime because it is at equal distance from previous prime (2291803) and next prime (2291851).

It is a cyclic number.

It is not a de Polignac number, because 2291827 - 2⁷ = 2291699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2291867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145913 + 1145914.

It is an arithmetic number, because the mean of its divisors is an integer number (1145914).

2^2291827 is an apocalyptic number.

2291827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2291827 is an equidigital number, since it uses as much as digits as its factorization.

2291827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 2291827 is about 1513.8781324796. The cubic root of 2291827 is about 131.8440728446.

The spelling of 2291827 in words is "two million, two hundred ninety-one thousand, eight hundred twenty-seven".