4421221244 has 12 divisors (see below), whose sum is σ = 8440513368. Its totient is φ = 2009646000.

The previous prime is 4421221243. The next prime is 4421221249.

It is a happy number.

4421221244 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421221243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50241107 + ... + 50241194.

It is an arithmetic number, because the mean of its divisors is an integer number (703376114).

Almost surely, 2^4421221244 is an apocalyptic number.

4421221244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4421221244 is a deficient number, since it is larger than the sum of its proper divisors (4019292124).

4421221244 is a wasteful number, since it uses less digits than its factorization.

4421221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100482316 (or 100482314 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 4421221244 is about 66492.2645425767. The cubic root of 4421221244 is about 1641.2727137271.

It can be divided in two parts, 44212 and 21244, that added together give a palindrome (65456).

The spelling of 4421221244 in words is "four billion, four hundred twenty-one million, two hundred twenty-one thousand, two hundred forty-four".