22000965 has 16 divisors (see below), whose sum is σ = 40230528. Its totient is φ = 10057536.

The previous prime is 22000963. The next prime is 22001033. The reversal of 22000965 is 56900022.

It is not a de Polignac number, because 22000965 - 2¹ = 22000963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104662 + ... + 104871.

It is an arithmetic number, because the mean of its divisors is an integer number (2514408).

Almost surely, 2^22000965 is an apocalyptic number.

It is an amenable number.

22000965 is a deficient number, since it is larger than the sum of its proper divisors (18229563).

22000965 is a wasteful number, since it uses less digits than its factorization.

22000965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209548.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 22000965 is about 4690.5186280410. The cubic root of 22000965 is about 280.2080299268.

Adding to 22000965 its reverse (56900022), we get a palindrome (78900987).

The spelling of 22000965 in words is "twenty-two million, nine hundred sixty-five", and thus it is an aban number.