22033203231 has 32 divisors (see below), whose sum is σ = 31786191360. Its totient is φ = 13495305600.

The previous prime is 22033203217. The next prime is 22033203239. The reversal of 22033203231 is 13230233022.

It is not a de Polignac number, because 22033203231 - 2³⁰ = 20959461407 is a prime.

It is a super-2 number, since 2×22033203231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22033203198 and 22033203207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033203239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8405101 + ... + 8407721.

It is an arithmetic number, because the mean of its divisors is an integer number (993318480).

Almost surely, 2^22033203231 is an apocalyptic number.

22033203231 is a deficient number, since it is larger than the sum of its proper divisors (9752988129).

22033203231 is a wasteful number, since it uses less digits than its factorization.

22033203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22033203231 its reverse (13230233022), we get a palindrome (35263436253).

The spelling of 22033203231 in words is "twenty-two billion, thirty-three million, two hundred three thousand, two hundred thirty-one".