22005037 has 2 divisors, whose sum is σ = 22005038. Its totient is φ = 22005036.

The previous prime is 22005031. The next prime is 22005073. The reversal of 22005037 is 73050022.

It is a happy number.

Together with next prime (22005073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19527561 + 2477476 = 4419^2 + 1574^2 .

It is a cyclic number.

It is not a de Polignac number, because 22005037 - 2¹¹ = 22002989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22005031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002518 + 11002519.

It is an arithmetic number, because the mean of its divisors is an integer number (11002519).

Almost surely, 2^22005037 is an apocalyptic number.

It is an amenable number.

22005037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22005037 is an equidigital number, since it uses as much as digits as its factorization.

22005037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 22005037 is about 4690.9526750970. The cubic root of 22005037 is about 280.2253160884.

Adding to 22005037 its reverse (73050022), we get a palindrome (95055059).

The spelling of 22005037 in words is "twenty-two million, five thousand, thirty-seven".