2232221112 has 64 divisors (see below), whose sum is σ = 6764313600. Its totient is φ = 676429920.

The previous prime is 2232221059. The next prime is 2232221113. The reversal of 2232221112 is 2111222322.

2232221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2232221112³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232221113) 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, 467368 + ... + 472119.

It is an arithmetic number, because the mean of its divisors is an integer number (105692400).

Almost surely, 2^2232221112 is an apocalyptic number.

2232221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2232221112 is an abundant number, since it is smaller than the sum of its proper divisors (4532092488).

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

2232221112 is a wasteful number, since it uses less digits than its factorization.

2232221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939513 (or 939503 counting only the distinct ones).

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

The square root of 2232221112 is about 47246.3872904585. The cubic root of 2232221112 is about 1306.9101687087.

Adding to 2232221112 its reverse (2111222322), we get a palindrome (4343443434).

It can be divided in two parts, 22322 and 21112, that added together give a palindrome (43434).

The spelling of 2232221112 in words is "two billion, two hundred thirty-two million, two hundred twenty-one thousand, one hundred twelve".