22002312231 has 16 divisors (see below), whose sum is σ = 32852684800. Its totient is φ = 14552708184.

The previous prime is 22002312179. The next prime is 22002312239. The reversal of 22002312231 is 13221320022.

22002312231 is a `hidden beast` number, since 2 + 200 + 231 + 2 + 231 = 666.

It is not a de Polignac number, because 22002312231 - 2¹³ = 22002304039 is a prime.

It is a super-2 number, since 2×22002312231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002312239) 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, 3204841 + ... + 3211698.

It is an arithmetic number, because the mean of its divisors is an integer number (2053292800).

Almost surely, 2^22002312231 is an apocalyptic number.

22002312231 is a deficient number, since it is larger than the sum of its proper divisors (10850372569).

22002312231 is a wasteful number, since it uses less digits than its factorization.

22002312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416675 (or 6416669 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22002312231 its reverse (13221320022), we get a palindrome (35223632253).

The spelling of 22002312231 in words is "twenty-two billion, two million, three hundred twelve thousand, two hundred thirty-one".