2243132220 has 96 divisors (see below), whose sum is σ = 7184959488. Its totient is φ = 512220672.

The previous prime is 2243132209. The next prime is 2243132231. The reversal of 2243132220 is 222313422.

It is an interprime number because it is at equal distance from previous prime (2243132209) and next prime (2243132231).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599997 + ... + 603723.

It is an arithmetic number, because the mean of its divisors is an integer number (74843328).

Almost surely, 2^2243132220 is an apocalyptic number.

2243132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243132220 is an abundant number, since it is smaller than the sum of its proper divisors (4941827268).

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

2243132220 is a wasteful number, since it uses less digits than its factorization.

2243132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2243132220 is about 47361.7168185445. The cubic root of 2243132220 is about 1309.0361030910.

Adding to 2243132220 its reverse (222313422), we get a palindrome (2465445642).

The spelling of 2243132220 in words is "two billion, two hundred forty-three million, one hundred thirty-two thousand, two hundred twenty".