22230031122 has 128 divisors (see below), whose sum is σ = 56318976000. Its totient is φ = 6443115840.

The previous prime is 22230031091. The next prime is 22230031123. The reversal of 22230031122 is 22113003222.

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

22230031122 is a modest number, since divided by 31122 gives 22230 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22230031095 and 22230031104.

It is not an unprimeable number, because it can be changed into a prime (22230031123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2382847 + ... + 2392157.

It is an arithmetic number, because the mean of its divisors is an integer number (439992000).

Almost surely, 2^22230031122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22230031122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28159488000).

22230031122 is an abundant number, since it is smaller than the sum of its proper divisors (34088944878).

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

22230031122 is a wasteful number, since it uses less digits than its factorization.

22230031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533 (or 9527 counting only the distinct ones).

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

Adding to 22230031122 its reverse (22113003222), we get a palindrome (44343034344).

The spelling of 22230031122 in words is "twenty-two billion, two hundred thirty million, thirty-one thousand, one hundred twenty-two".