22331131230 has 32 divisors (see below), whose sum is σ = 53612790048. Its totient is φ = 5952960000.

The previous prime is 22331131117. The next prime is 22331131241. The reversal of 22331131230 is 3213113322.

It is a super-2 number, since 2×22331131230² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22331131197 and 22331131206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33991 + ... + 214050.

It is an arithmetic number, because the mean of its divisors is an integer number (1675399689).

Almost surely, 2^22331131230 is an apocalyptic number.

22331131230 is an abundant number, since it is smaller than the sum of its proper divisors (31281658818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22331131230 is a wasteful number, since it uses less digits than its factorization.

22331131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251052.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22331131230 its reverse (3213113322), we get a palindrome (25544244552).

It can be divided in two parts, 223311 and 31230, that added together give a triangular number (254541 = T₇₁₃).

The spelling of 22331131230 in words is "twenty-two billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty".