2243442444 has 24 divisors (see below), whose sum is σ = 5249794368. Its totient is φ = 745657680.

The previous prime is 2243442437. The next prime is 2243442457. The reversal of 2243442444 is 4442443422.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265222 + ... + 273549.

It is an arithmetic number, because the mean of its divisors is an integer number (218741432).

Almost surely, 2^2243442444 is an apocalyptic number.

It is an amenable number.

2243442444 is an abundant number, since it is smaller than the sum of its proper divisors (3006351924).

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

2243442444 is a wasteful number, since it uses less digits than its factorization.

2243442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539125 (or 539123 counting only the distinct ones).

The product of its digits is 98304, while the sum is 33.

The square root of 2243442444 is about 47364.9917555150. The cubic root of 2243442444 is about 1309.0964466429.

Adding to 2243442444 its reverse (4442443422), we get a palindrome (6685885866).

The spelling of 2243442444 in words is "two billion, two hundred forty-three million, four hundred forty-two thousand, four hundred forty-four".