4425421225 has 12 divisors (see below), whose sum is σ = 5490077184. Its totient is φ = 3538688720.

The previous prime is 4425421219. The next prime is 4425421241. The reversal of 4425421225 is 5221245244.

It is not a de Polignac number, because 4425421225 - 2⁵ = 4425421193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15072 + ... + 95278.

It is an arithmetic number, because the mean of its divisors is an integer number (457506432).

Almost surely, 2^4425421225 is an apocalyptic number.

It is an amenable number.

4425421225 is a deficient number, since it is larger than the sum of its proper divisors (1064655959).

4425421225 is a wasteful number, since it uses less digits than its factorization.

4425421225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82424 (or 82419 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 4425421225 is about 66523.8395238880. The cubic root of 4425421225 is about 1641.7922634318.

Adding to 4425421225 its reverse (5221245244), we get a palindrome (9646666469).

The spelling of 4425421225 in words is "four billion, four hundred twenty-five million, four hundred twenty-one thousand, two hundred twenty-five".