5221441225 has 144 divisors (see below), whose sum is σ = 9076669056. Its totient is φ = 2927232000.

The previous prime is 5221441223. The next prime is 5221441229.

It is a happy number.

5221441225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5221441225 - 2¹ = 5221441223 is a prime.

It is a super-2 number, since 2×5221441225² = 54526896932259001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5221441193 and 5221441202.

It is not an unprimeable number, because it can be changed into a prime (5221441223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7181812 + ... + 7182538.

It is an arithmetic number, because the mean of its divisors is an integer number (63032424).

Almost surely, 2^5221441225 is an apocalyptic number.

5221441225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5221441225 is a deficient number, since it is larger than the sum of its proper divisors (3855227831).

5221441225 is a wasteful number, since it uses less digits than its factorization.

5221441225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 804 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 5221441225 is about 72259.5407195479. The cubic root of 5221441225 is about 1734.8561283918.

It can be divided in two parts, 52214 and 41225, that added together give a palindrome (93439).

The spelling of 5221441225 in words is "five billion, two hundred twenty-one million, four hundred forty-one thousand, two hundred twenty-five".