2232543220 has 24 divisors (see below), whose sum is σ = 4689917064. Its totient is φ = 892717056.

The previous prime is 2232543211. The next prime is 2232543223. The reversal of 2232543220 is 223452322.

It is a happy number.

2232543220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1062629604 + 1169913616 = 32598^2 + 34204^2 .

It is a super-3 number, since 3×2232543220³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232543223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48004 + ... + 82276.

It is an arithmetic number, because the mean of its divisors is an integer number (195413211).

Almost surely, 2^2232543220 is an apocalyptic number.

2232543220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2232543220 is an abundant number, since it is smaller than the sum of its proper divisors (2457373844).

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

2232543220 is a wasteful number, since it uses less digits than its factorization.

2232543220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37539 (or 37537 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2232543220 is about 47249.7959783955. The cubic root of 2232543220 is about 1306.9730277704.

Adding to 2232543220 its reverse (223452322), we get a palindrome (2455995542).

The spelling of 2232543220 in words is "two billion, two hundred thirty-two million, five hundred forty-three thousand, two hundred twenty".