22011135 has 16 divisors (see below), whose sum is σ = 35280384. Its totient is φ = 11718432.

The previous prime is 22011131. The next prime is 22011149. The reversal of 22011135 is 53111022.

It is not a de Polignac number, because 22011135 - 2² = 22011131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11454 + ... + 13236.

It is an arithmetic number, because the mean of its divisors is an integer number (2205024).

Almost surely, 2^22011135 is an apocalyptic number.

22011135 is a deficient number, since it is larger than the sum of its proper divisors (13269249).

22011135 is a wasteful number, since it uses less digits than its factorization.

22011135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 22011135 is about 4691.6026046544. The cubic root of 22011135 is about 280.2511988920.

Adding to 22011135 its reverse (53111022), we get a palindrome (75122157).

The spelling of 22011135 in words is "twenty-two million, eleven thousand, one hundred thirty-five".