2243444020 has 12 divisors (see below), whose sum is σ = 4711232484. Its totient is φ = 897377600.

The previous prime is 2243444011. The next prime is 2243444039. The reversal of 2243444020 is 204443422.

It can be written as a sum of positive squares in 2 ways, for example, as 1366928784 + 876515236 = 36972^2 + 29606^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56086081 + ... + 56086120.

It is an arithmetic number, because the mean of its divisors is an integer number (392602707).

Almost surely, 2^2243444020 is an apocalyptic number.

2243444020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243444020 is an abundant number, since it is smaller than the sum of its proper divisors (2467788464).

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

2243444020 is a wasteful number, since it uses less digits than its factorization.

2243444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112172210 (or 112172208 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2243444020 is about 47365.0083922720. The cubic root of 2243444020 is about 1309.0967531860.

Adding to 2243444020 its reverse (204443422), we get a palindrome (2447887442).

The spelling of 2243444020 in words is "two billion, two hundred forty-three million, four hundred forty-four thousand, twenty".