22033312231 has 16 divisors (see below), whose sum is σ = 26284032000. Its totient is φ = 18058886208.

The previous prime is 22033312207. The next prime is 22033312243. The reversal of 22033312231 is 13221333022.

It is a cyclic number.

It is not a de Polignac number, because 22033312231 - 2¹¹ = 22033310183 is a prime.

It is a super-2 number, since 2×22033312231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033312201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535450 + ... + 575128.

It is an arithmetic number, because the mean of its divisors is an integer number (1642752000).

Almost surely, 2^22033312231 is an apocalyptic number.

22033312231 is a deficient number, since it is larger than the sum of its proper divisors (4250719769).

22033312231 is a wasteful number, since it uses less digits than its factorization.

22033312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43158.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22033312231 its reverse (13221333022), we get a palindrome (35254645253).

The spelling of 22033312231 in words is "twenty-two billion, thirty-three million, three hundred twelve thousand, two hundred thirty-one".