22066635 has 16 divisors (see below), whose sum is σ = 35400960. Its totient is φ = 11737440.

The previous prime is 22066621. The next prime is 22066643. The reversal of 22066635 is 53666022.

It is not a de Polignac number, because 22066635 - 2¹¹ = 22064587 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4530 + ... + 8040.

It is an arithmetic number, because the mean of its divisors is an integer number (2212560).

Almost surely, 2^22066635 is an apocalyptic number.

22066635 is a deficient number, since it is larger than the sum of its proper divisors (13334325).

22066635 is a wasteful number, since it uses less digits than its factorization.

22066635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 22066635 is about 4697.5137040779. The cubic root of 22066635 is about 280.4865477581.

The spelling of 22066635 in words is "twenty-two million, sixty-six thousand, six hundred thirty-five".