2243021112 has 128 divisors (see below), whose sum is σ = 6447168000. Its totient is φ = 722062080.

The previous prime is 2243021107. The next prime is 2243021119. The reversal of 2243021112 is 2111203422.

It is a happy number.

2243021112 is a `hidden beast` number, since 22 + 430 + 211 + 1 + 2 = 666.

It is a super-2 number, since 2×2243021112² = 10062287417755433088, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243021119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910939 + ... + 913397.

It is an arithmetic number, because the mean of its divisors is an integer number (50368500).

Almost surely, 2^2243021112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3223584000).

2243021112 is an abundant number, since it is smaller than the sum of its proper divisors (4204146888).

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

2243021112 is a wasteful number, since it uses less digits than its factorization.

2243021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2608 counting only the distinct ones).

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

The square root of 2243021112 is about 47360.5438313371. The cubic root of 2243021112 is about 1309.0144894468.

Adding to 2243021112 its reverse (2111203422), we get a palindrome (4354224534).

The spelling of 2243021112 in words is "two billion, two hundred forty-three million, twenty-one thousand, one hundred twelve".