4440223225 has 9 divisors (see below), whose sum is σ = 5506289967. Its totient is φ = 3551912040.

The previous prime is 4440223223. The next prime is 4440223273. The reversal of 4440223225 is 5223220444.

The square root of 4440223225 is 66635.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1598480361 + 2841742864 = 39981^2 + 53308^2 .

It is not a de Polignac number, because 4440223225 - 2¹ = 4440223223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4440223193 and 4440223202.

It is not an unprimeable number, because it can be changed into a prime (4440223223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 326512 + ... + 339838.

Almost surely, 2^4440223225 is an apocalyptic number.

4440223225 is the 66635-th square number.

4440223225 is the 33318-th centered octagonal number.

It is an amenable number.

4440223225 is a deficient number, since it is larger than the sum of its proper divisors (1066066742).

4440223225 is an frugal number, since it uses more digits than its factorization.

4440223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26664 (or 13332 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The cubic root of 4440223225 is about 1643.6206968893.

Adding to 4440223225 its reverse (5223220444), we get a palindrome (9663443669).

The spelling of 4440223225 in words is "four billion, four hundred forty million, two hundred twenty-three thousand, two hundred twenty-five".