2112169224 has 80 divisors (see below), whose sum is σ = 5809395600. Its totient is φ = 639944800.

The previous prime is 2112169223. The next prime is 2112169231. The reversal of 2112169224 is 4229612112.

It is a super-2 number, since 2×2112169224² = 8922517661625524352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112169191 and 2112169200.

It is not an unprimeable number, because it can be changed into a prime (2112169223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 348379 + ... + 354389.

It is an arithmetic number, because the mean of its divisors is an integer number (72617445).

Almost surely, 2^2112169224 is an apocalyptic number.

2112169224 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 2112169224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2904697800).

2112169224 is an abundant number, since it is smaller than the sum of its proper divisors (3697226376).

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

2112169224 is an equidigital number, since it uses as much as digits as its factorization.

2112169224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064 (or 6027 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 2112169224 is about 45958.3422677537. The cubic root of 2112169224 is about 1283.0479982416.

The spelling of 2112169224 in words is "two billion, one hundred twelve million, one hundred sixty-nine thousand, two hundred twenty-four".