22133222331 has 16 divisors (see below), whose sum is σ = 32978994048. Its totient is φ = 13086900800.

The previous prime is 22133222329. The next prime is 22133222347. The reversal of 22133222331 is 13322233122.

It is a cyclic number.

It is not a de Polignac number, because 22133222331 - 2¹ = 22133222329 is a prime.

It is a super-2 number, since 2×22133222331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22133222231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8177961 + ... + 8180666.

It is an arithmetic number, because the mean of its divisors is an integer number (2061187128).

Almost surely, 2^22133222331 is an apocalyptic number.

22133222331 is a deficient number, since it is larger than the sum of its proper divisors (10845771717).

22133222331 is a wasteful number, since it uses less digits than its factorization.

22133222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16358682.

The product of its digits is 2592, while the sum is 24.

Adding to 22133222331 its reverse (13322233122), we get a palindrome (35455455453).

The spelling of 22133222331 in words is "twenty-two billion, one hundred thirty-three million, two hundred twenty-two thousand, three hundred thirty-one".