11231442222 has 384 divisors, whose sum is σ = 32684912640. Its totient is φ = 2490808320.

The previous prime is 11231442221. The next prime is 11231442239. The reversal of 11231442222 is 22224413211.

It is a super-2 number, since 2×11231442222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231442192 and 11231442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231442221) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 99393238 + ... + 99393350.

It is an arithmetic number, because the mean of its divisors is an integer number (85116960).

Almost surely, 2^11231442222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231442222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16342456320).

11231442222 is an abundant number, since it is smaller than the sum of its proper divisors (21453470418).

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

11231442222 is a wasteful number, since it uses less digits than its factorization.

11231442222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 235 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 11231442222 its reverse (22224413211), we get a palindrome (33455855433).

The spelling of 11231442222 in words is "eleven billion, two hundred thirty-one million, four hundred forty-two thousand, two hundred twenty-two".