22022221133 has 4 divisors (see below), whose sum is σ = 24024241248. Its totient is φ = 20020201020.

The previous prime is 22022221021. The next prime is 22022221139. The reversal of 22022221133 is 33112222022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22022221133 - 2²² = 22018026829 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 (22022221139) 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, 1001010041 + ... + 1001010062.

It is an arithmetic number, because the mean of its divisors is an integer number (6006060312).

Almost surely, 2^22022221133 is an apocalyptic number.

It is an amenable number.

22022221133 is a deficient number, since it is larger than the sum of its proper divisors (2002020115).

22022221133 is a wasteful number, since it uses less digits than its factorization.

22022221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002020114.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22022221133 its reverse (33112222022), we get a palindrome (55134443155).

The spelling of 22022221133 in words is "twenty-two billion, twenty-two million, two hundred twenty-one thousand, one hundred thirty-three".