22000641 has 16 divisors (see below), whose sum is σ = 32363520. Its totient is φ = 13207680.

The previous prime is 22000639. The next prime is 22000661. The reversal of 22000641 is 14600022.

It is not a de Polignac number, because 22000641 - 2¹ = 22000639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22000641.

It is not an unprimeable number, because it can be changed into a prime (22000621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5281 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (2022720).

Almost surely, 2^22000641 is an apocalyptic number.

It is an amenable number.

22000641 is a deficient number, since it is larger than the sum of its proper divisors (10362879).

22000641 is a wasteful number, since it uses less digits than its factorization.

22000641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22000641 is about 4690.4840901553. The cubic root of 22000641 is about 280.2066544137.

Adding to 22000641 its reverse (14600022), we get a palindrome (36600663).

The spelling of 22000641 in words is "twenty-two million, six hundred forty-one", and thus it is an aban number.