22005136 has 20 divisors (see below), whose sum is σ = 42747264. Its totient is φ = 10973600.

The previous prime is 22005131. The next prime is 22005149. The reversal of 22005136 is 63150022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22005131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5301 + ... + 8491.

Almost surely, 2^22005136 is an apocalyptic number.

It is an amenable number.

22005136 is a deficient number, since it is larger than the sum of its proper divisors (20742128).

22005136 is a wasteful number, since it uses less digits than its factorization.

22005136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 22005136 is about 4690.9632273127. The cubic root of 22005136 is about 280.2257363295.

Adding to 22005136 its reverse (63150022), we get a palindrome (85155158).

The spelling of 22005136 in words is "twenty-two million, five thousand, one hundred thirty-six".