22133947 has 8 divisors (see below), whose sum is σ = 24281712. Its totient is φ = 20008800.

The previous prime is 22133921. The next prime is 22133959. The reversal of 22133947 is 74933122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22133947 - 2²³ = 13745339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22133977) 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, 3568 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (3035214).

Almost surely, 2^22133947 is an apocalyptic number.

22133947 is a deficient number, since it is larger than the sum of its proper divisors (2147765).

22133947 is a wasteful number, since it uses less digits than its factorization.

22133947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11309.

The product of its digits is 9072, while the sum is 31.

The square root of 22133947 is about 4704.6728897980. The cubic root of 22133947 is about 280.7714567121.

The spelling of 22133947 in words is "twenty-two million, one hundred thirty-three thousand, nine hundred forty-seven".