22844147 has 2 divisors, whose sum is σ = 22844148. Its totient is φ = 22844146.

The previous prime is 22844123. The next prime is 22844153. The reversal of 22844147 is 74144822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22844147 - 2¹⁶ = 22778611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22844167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11422073 + 11422074.

It is an arithmetic number, because the mean of its divisors is an integer number (11422074).

Almost surely, 2^22844147 is an apocalyptic number.

22844147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22844147 is an equidigital number, since it uses as much as digits as its factorization.

22844147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 32.

The square root of 22844147 is about 4779.5551048189. Note that the first 3 decimals coincide. The cubic root of 22844147 is about 283.7428862222.

Adding to 22844147 its reverse (74144822), we get a palindrome (96988969).

The spelling of 22844147 in words is "twenty-two million, eight hundred forty-four thousand, one hundred forty-seven".