22054939 has 2 divisors, whose sum is σ = 22054940. Its totient is φ = 22054938.

The previous prime is 22054937. The next prime is 22054957. The reversal of 22054939 is 93945022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22054939 - 2¹ = 22054937 is a prime.

Together with 22054937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22054931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11027469 + 11027470.

It is an arithmetic number, because the mean of its divisors is an integer number (11027470).

Almost surely, 2^22054939 is an apocalyptic number.

22054939 is a deficient number, since it is larger than the sum of its proper divisors (1).

22054939 is an equidigital number, since it uses as much as digits as its factorization.

22054939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 22054939 is about 4696.2686251960. The cubic root of 22054939 is about 280.4369834810.

The spelling of 22054939 in words is "twenty-two million, fifty-four thousand, nine hundred thirty-nine".