22661133 has 32 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 13251840.

The previous prime is 22661117. The next prime is 22661137. The reversal of 22661133 is 33116622.

It is a happy number.

It is not a de Polignac number, because 22661133 - 2⁴ = 22661117 is a prime.

It is a Curzon number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661137) 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 31 ways as a sum of consecutive naturals, for example, 200485 + ... + 200597.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^22661133 is an apocalyptic number.

It is an amenable number.

22661133 is a deficient number, since it is larger than the sum of its proper divisors (11484147).

22661133 is a wasteful number, since it uses less digits than its factorization.

22661133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its digits is 1296, while the sum is 24.

The square root of 22661133 is about 4760.3710989796. The cubic root of 22661133 is about 282.9831260983.

Adding to 22661133 its reverse (33116622), we get a palindrome (55777755).

The spelling of 22661133 in words is "twenty-two million, six hundred sixty-one thousand, one hundred thirty-three".