22134839 has 2 divisors, whose sum is σ = 22134840. Its totient is φ = 22134838.

The previous prime is 22134811. The next prime is 22134851. The reversal of 22134839 is 93843122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22134839 - 2⁸ = 22134583 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22134439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067419 + 11067420.

It is an arithmetic number, because the mean of its divisors is an integer number (11067420).

Almost surely, 2^22134839 is an apocalyptic number.

22134839 is a deficient number, since it is larger than the sum of its proper divisors (1).

22134839 is an equidigital number, since it uses as much as digits as its factorization.

22134839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 22134839 is about 4704.7676882074. The cubic root of 22134839 is about 280.7752283662.

The spelling of 22134839 in words is "twenty-two million, one hundred thirty-four thousand, eight hundred thirty-nine".