22006065 has 16 divisors (see below), whose sum is σ = 35398656. Its totient is φ = 11673600.

The previous prime is 22006057. The next prime is 22006079. The reversal of 22006065 is 56060022.

It is not a de Polignac number, because 22006065 - 2³ = 22006057 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, 976 + ... + 6705.

It is an arithmetic number, because the mean of its divisors is an integer number (2212416).

Almost surely, 2^22006065 is an apocalyptic number.

It is an amenable number.

22006065 is a deficient number, since it is larger than the sum of its proper divisors (13392591).

22006065 is a wasteful number, since it uses less digits than its factorization.

22006065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22006065 is about 4691.0622464427. The cubic root of 22006065 is about 280.2296797430.

Adding to 22006065 its reverse (56060022), we get a palindrome (78066087).

The spelling of 22006065 in words is "twenty-two million, six thousand, sixty-five".