22004051 has 2 divisors, whose sum is σ = 22004052. Its totient is φ = 22004050.

The previous prime is 22004041. The next prime is 22004053. The reversal of 22004051 is 15040022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22004051 - 2¹⁰ = 22003027 is a prime.

It is a Sophie Germain prime.

Together with 22004053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22004053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002025 + 11002026.

It is an arithmetic number, because the mean of its divisors is an integer number (11002026).

Almost surely, 2^22004051 is an apocalyptic number.

22004051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22004051 is an equidigital number, since it uses as much as digits as its factorization.

22004051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22004051 is about 4690.8475779970. The cubic root of 22004051 is about 280.2211305878.

Adding to 22004051 its reverse (15040022), we get a palindrome (37044073).

The spelling of 22004051 in words is "twenty-two million, four thousand, fifty-one".