2223131112 has 24 divisors (see below), whose sum is σ = 6020980290. Its totient is φ = 741043680.

The previous prime is 2223131059. The next prime is 2223131129. The reversal of 2223131112 is 2111313222.

It can be written as a sum of positive squares in only one way, i.e., 2151660996 + 71470116 = 46386^2 + 8454^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2223131112² = 9884623882284713088, which contains 22 as substring.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15438339 + ... + 15438482.

Almost surely, 2^2223131112 is an apocalyptic number.

It is an amenable number.

2223131112 is an abundant number, since it is smaller than the sum of its proper divisors (3797849178).

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

2223131112 is a wasteful number, since it uses less digits than its factorization.

2223131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30876833 (or 30876826 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2223131112 is about 47150.0913254683. The cubic root of 2223131112 is about 1305.1337652992.

Adding to 2223131112 its reverse (2111313222), we get a palindrome (4334444334).

The spelling of 2223131112 in words is "two billion, two hundred twenty-three million, one hundred thirty-one thousand, one hundred twelve".