22030323231 has 16 divisors (see below), whose sum is σ = 34139001600. Its totient is φ = 12375386688.

The previous prime is 22030323187. The next prime is 22030323311. The reversal of 22030323231 is 13232303022.

It is not a de Polignac number, because 22030323231 - 2⁹ = 22030322719 is a prime.

It is a super-2 number, since 2×22030323231² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22030323198 and 22030323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030325231) 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, 8889126 + ... + 8891603.

It is an arithmetic number, because the mean of its divisors is an integer number (2133687600).

Almost surely, 2^22030323231 is an apocalyptic number.

22030323231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22030323231 is a deficient number, since it is larger than the sum of its proper divisors (12108678369).

22030323231 is a wasteful number, since it uses less digits than its factorization.

22030323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17780798.

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

Adding to 22030323231 its reverse (13232303022), we get a palindrome (35262626253).

The spelling of 22030323231 in words is "twenty-two billion, thirty million, three hundred twenty-three thousand, two hundred thirty-one".