22801065 has 32 divisors (see below), whose sum is σ = 42827520. Its totient is φ = 10139904.

The previous prime is 22801049. The next prime is 22801067. The reversal of 22801065 is 56010822.

It is not a de Polignac number, because 22801065 - 2⁴ = 22801049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22801067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 951 + ... + 6819.

It is an arithmetic number, because the mean of its divisors is an integer number (1338360).

Almost surely, 2^22801065 is an apocalyptic number.

It is an amenable number.

22801065 is a deficient number, since it is larger than the sum of its proper divisors (20026455).

22801065 is a wasteful number, since it uses less digits than its factorization.

22801065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5921.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 22801065 is about 4775.0460730762. The cubic root of 22801065 is about 283.5644028136.

Adding to 22801065 its reverse (56010822), we get a palindrome (78811887).

The spelling of 22801065 in words is "twenty-two million, eight hundred one thousand, sixty-five".