2231546112 has 180 divisors, whose sum is σ = 6944857920. Its totient is φ = 711355392.

The previous prime is 2231546111. The next prime is 2231546159. The reversal of 2231546112 is 2116451322.

2231546112 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 546 + 112 = 666.

It is a super-3 number, since 3×2231546112³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2231546111) 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, 474589 + ... + 479267.

It is an arithmetic number, because the mean of its divisors is an integer number (38582544).

Almost surely, 2^2231546112 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 2231546112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3472428960).

2231546112 is an abundant number, since it is smaller than the sum of its proper divisors (4713311808).

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

2231546112 is an equidigital number, since it uses as much as digits as its factorization.

2231546112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730 (or 4707 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2231546112 is about 47239.2433470309. The cubic root of 2231546112 is about 1306.7784235017.

Adding to 2231546112 its reverse (2116451322), we get a palindrome (4347997434).

The spelling of 2231546112 in words is "two billion, two hundred thirty-one million, five hundred forty-six thousand, one hundred twelve".