2112271224 has 96 divisors (see below), whose sum is σ = 6206492880. Its totient is φ = 597252096.

The previous prime is 2112271219. The next prime is 2112271237. The reversal of 2112271224 is 4221722112.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 2112271194 and 2112271203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104814 + ... + 123330.

Almost surely, 2^2112271224 is an apocalyptic number.

2112271224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112271224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3103246440).

2112271224 is an abundant number, since it is smaller than the sum of its proper divisors (4094221656).

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

2112271224 is a wasteful number, since it uses less digits than its factorization.

2112271224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18637 (or 18626 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 2112271224 is about 45959.4519549570. The cubic root of 2112271224 is about 1283.0686513830.

Adding to 2112271224 its reverse (4221722112), we get a palindrome (6333993336).

The spelling of 2112271224 in words is "two billion, one hundred twelve million, two hundred seventy-one thousand, two hundred twenty-four".