22844891 has 2 divisors, whose sum is σ = 22844892. Its totient is φ = 22844890.

The previous prime is 22844879. The next prime is 22844903. The reversal of 22844891 is 19844822.

It is a balanced prime because it is at equal distance from previous prime (22844879) and next prime (22844903).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22844891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22840891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11422445 + 11422446.

It is an arithmetic number, because the mean of its divisors is an integer number (11422446).

Almost surely, 2^22844891 is an apocalyptic number.

22844891 is a deficient number, since it is larger than the sum of its proper divisors (1).

22844891 is an equidigital number, since it uses as much as digits as its factorization.

22844891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 38.

The square root of 22844891 is about 4779.6329356970. The cubic root of 22844891 is about 283.7459665505.

The spelling of 22844891 in words is "twenty-two million, eight hundred forty-four thousand, eight hundred ninety-one".