22111222230 has 24 divisors (see below), whose sum is σ = 57489178032. Its totient is φ = 5896325904.

The previous prime is 22111222219. The next prime is 22111222277. The reversal of 22111222230 is 3222211122.

22111222230 is a `hidden beast` number, since 2 + 211 + 1 + 222 + 230 = 666.

It is a super-2 number, since 2×22111222230² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122840034 + ... + 122840213.

It is an arithmetic number, because the mean of its divisors is an integer number (2395382418).

Almost surely, 2^22111222230 is an apocalyptic number.

22111222230 is an abundant number, since it is smaller than the sum of its proper divisors (35377955802).

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

22111222230 is a wasteful number, since it uses less digits than its factorization.

22111222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245680260 (or 245680257 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22111222230 its reverse (3222211122), we get a palindrome (25333433352).

It can be divided in two parts, 221112 and 22230, that added together give a palindrome (243342).

The spelling of 22111222230 in words is "twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred thirty".