22011133 has 4 divisors (see below), whose sum is σ = 22213180. Its totient is φ = 21809088.

The previous prime is 22011131. The next prime is 22011149. The reversal of 22011133 is 33111022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16826404 + 5184729 = 4102^2 + 2277^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011133 - 2¹ = 22011131 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100860 + ... + 101077.

It is an arithmetic number, because the mean of its divisors is an integer number (5553295).

Almost surely, 2^22011133 is an apocalyptic number.

It is an amenable number.

22011133 is a deficient number, since it is larger than the sum of its proper divisors (202047).

22011133 is a wasteful number, since it uses less digits than its factorization.

22011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202046.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 22011133 is about 4691.6023915076. The cubic root of 22011133 is about 280.2511904039.

Adding to 22011133 its reverse (33111022), we get a palindrome (55122155).

The spelling of 22011133 in words is "twenty-two million, eleven thousand, one hundred thirty-three".