22135091 has 8 divisors (see below), whose sum is σ = 24980400. Its totient is φ = 19428640.

The previous prime is 22135051. The next prime is 22135093. The reversal of 22135091 is 19053122.

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

It is not a de Polignac number, because 22135091 - 2¹⁰ = 22134067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22135093) 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 7 ways as a sum of consecutive naturals, for example, 34376 + ... + 35013.

It is an arithmetic number, because the mean of its divisors is an integer number (3122550).

Almost surely, 2^22135091 is an apocalyptic number.

22135091 is a deficient number, since it is larger than the sum of its proper divisors (2845309).

22135091 is a wasteful number, since it uses less digits than its factorization.

22135091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69429.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 22135091 is about 4704.7944694747. The cubic root of 22135091 is about 280.7762938824.

The spelling of 22135091 in words is "twenty-two million, one hundred thirty-five thousand, ninety-one".