22000964 has 6 divisors (see below), whose sum is σ = 38501694. Its totient is φ = 11000480.

The previous prime is 22000963. The next prime is 22001033. The reversal of 22000964 is 46900022.

It can be written as a sum of positive squares in only one way, i.e., 16974400 + 5026564 = 4120^2 + 2242^2 .

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

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 as a sum of consecutive naturals, namely, 2750117 + ... + 2750124.

It is an arithmetic number, because the mean of its divisors is an integer number (6416949).

Almost surely, 2^22000964 is an apocalyptic number.

It is an amenable number.

22000964 is a deficient number, since it is larger than the sum of its proper divisors (16500730).

22000964 is a wasteful number, since it uses less digits than its factorization.

22000964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500245 (or 5500243 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22000964 is about 4690.5185214430. The cubic root of 22000964 is about 280.2080256814.

Adding to 22000964 its reverse (46900022), we get a palindrome (68900986).

The spelling of 22000964 in words is "twenty-two million, nine hundred sixty-four", and thus it is an aban number.