22211033231 has 16 divisors (see below), whose sum is σ = 24404678400. Its totient is φ = 20120462208.

The previous prime is 22211033227. The next prime is 22211033237. The reversal of 22211033231 is 13233011222.

It is a cyclic number.

It is not a de Polignac number, because 22211033231 - 2² = 22211033227 is a prime.

It is a super-2 number, since 2×22211033231² (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 (22211033237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700855 + ... + 1713863.

It is an arithmetic number, because the mean of its divisors is an integer number (1525292400).

Almost surely, 2^22211033231 is an apocalyptic number.

22211033231 is a deficient number, since it is larger than the sum of its proper divisors (2193645169).

22211033231 is a wasteful number, since it uses less digits than its factorization.

22211033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16958.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22211033231 its reverse (13233011222), we get a palindrome (35444044453).

The spelling of 22211033231 in words is "twenty-two billion, two hundred eleven million, thirty-three thousand, two hundred thirty-one".