22131135 has 24 divisors (see below), whose sum is σ = 41312544. Its totient is φ = 10895040.

The previous prime is 22131133. The next prime is 22131199. The reversal of 22131135 is 53113122.

It is not a de Polignac number, because 22131135 - 2¹ = 22131133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18331 + ... + 19500.

It is an arithmetic number, because the mean of its divisors is an integer number (1721356).

Almost surely, 2^22131135 is an apocalyptic number.

22131135 is a deficient number, since it is larger than the sum of its proper divisors (19181409).

22131135 is a wasteful number, since it uses less digits than its factorization.

22131135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37855 (or 37852 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 22131135 is about 4704.3740284973. The cubic root of 22131135 is about 280.7595660361.

Adding to 22131135 its reverse (53113122), we get a palindrome (75244257).

The spelling of 22131135 in words is "twenty-two million, one hundred thirty-one thousand, one hundred thirty-five".