2224891 has 2 divisors, whose sum is σ = 2224892. Its totient is φ = 2224890.

The previous prime is 2224879. The next prime is 2224897. The reversal of 2224891 is 1984222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2224891 - 2⁷ = 2224763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2224897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112445 + 1112446.

It is an arithmetic number, because the mean of its divisors is an integer number (1112446).

2^2224891 is an apocalyptic number.

2224891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224891 is an equidigital number, since it uses as much as digits as its factorization.

2224891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 2224891 is about 1491.6068516871. The cubic root of 2224891 is about 130.5478066994.

The spelling of 2224891 in words is "two million, two hundred twenty-four thousand, eight hundred ninety-one".