5221223444 has 24 divisors (see below), whose sum is σ = 9267336960. Its totient is φ = 2573517024.

The previous prime is 5221223431. The next prime is 5221223479. The reversal of 5221223444 is 4443221225.

It is a super-2 number, since 2×5221223444² = 54522348504350442272, which contains 22 as substring.

It is a congruent number.

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, 193697 + ... + 218999.

It is an arithmetic number, because the mean of its divisors is an integer number (386139040).

Almost surely, 2^5221223444 is an apocalyptic number.

It is an amenable number.

5221223444 is a deficient number, since it is larger than the sum of its proper divisors (4046113516).

5221223444 is a wasteful number, since it uses less digits than its factorization.

5221223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26039 (or 26037 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 5221223444 is about 72258.0337678794. The cubic root of 5221223444 is about 1734.8320083619.

Adding to 5221223444 its reverse (4443221225), we get a palindrome (9664444669).

The spelling of 5221223444 in words is "five billion, two hundred twenty-one million, two hundred twenty-three thousand, four hundred forty-four".