2243232220 has 48 divisors (see below), whose sum is σ = 4824743616. Its totient is φ = 875840000.

The previous prime is 2243232193. The next prime is 2243232227. The reversal of 2243232220 is 222323422.

It is a super-3 number, since 3×2243232220³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2243232191 and 2243232200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243232227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135600 + ... + 151240.

It is an arithmetic number, because the mean of its divisors is an integer number (100515492).

Almost surely, 2^2243232220 is an apocalyptic number.

2243232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243232220 is an abundant number, since it is smaller than the sum of its proper divisors (2581511396).

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

2243232220 is a wasteful number, since it uses less digits than its factorization.

2243232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15822 (or 15820 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2243232220 is about 47362.7725117523. The cubic root of 2243232220 is about 1309.0555553052.

Adding to 2243232220 its reverse (222323422), we get a palindrome (2465555642).

The spelling of 2243232220 in words is "two billion, two hundred forty-three million, two hundred thirty-two thousand, two hundred twenty".