22961136 has 40 divisors (see below), whose sum is σ = 64710144. Its totient is φ = 6957760.

The previous prime is 22961131. The next prime is 22961149. The reversal of 22961136 is 63116922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22961131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21216 + ... + 22271.

Almost surely, 2^22961136 is an apocalyptic number.

It is an amenable number.

22961136 is an abundant number, since it is smaller than the sum of its proper divisors (41749008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22961136 is a wasteful number, since it uses less digits than its factorization.

22961136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43509 (or 43503 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 22961136 is about 4791.7779581279. Note that the first 3 decimals coincide. The cubic root of 22961136 is about 284.2264279024.

The spelling of 22961136 in words is "twenty-two million, nine hundred sixty-one thousand, one hundred thirty-six".