2244421444 has 6 divisors (see below), whose sum is σ = 3927737534. Its totient is φ = 1122210720.

The previous prime is 2244421441. The next prime is 2244421477. The reversal of 2244421444 is 4441244422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1790305344 + 454116100 = 42312^2 + 21310^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2244421441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280552677 + ... + 280552684.

Almost surely, 2^2244421444 is an apocalyptic number.

It is an amenable number.

2244421444 is a deficient number, since it is larger than the sum of its proper divisors (1683316090).

2244421444 is a wasteful number, since it uses less digits than its factorization.

2244421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561105365 (or 561105363 counting only the distinct ones).

The product of its digits is 32768, while the sum is 31.

The square root of 2244421444 is about 47375.3252653742. The cubic root of 2244421444 is about 1309.2868414008.

Adding to 2244421444 its reverse (4441244422), we get a palindrome (6685665866).

The spelling of 2244421444 in words is "two billion, two hundred forty-four million, four hundred twenty-one thousand, four hundred forty-four".