4225225225 has 36 divisors (see below), whose sum is σ = 5955058956. Its totient is φ = 2955864960.

The previous prime is 4225225211. The next prime is 4225225247. The reversal of 4225225225 is 5225225224.

It can be written as a sum of positive squares in 6 ways, for example, as 547045321 + 3678179904 = 23389^2 + 60648^2 .

It is not a de Polignac number, because 4225225225 - 2²⁷ = 4091007497 is a prime.

It is a Duffinian number.

4225225225 is a modest number, since divided by 225225 gives 4225 as remainder.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 99319 + ... + 135331.

Almost surely, 2^4225225225 is an apocalyptic number.

It is an amenable number.

4225225225 is a deficient number, since it is larger than the sum of its proper divisors (1729833731).

4225225225 is a wasteful number, since it uses less digits than its factorization.

4225225225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36074 (or 36050 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 4225225225 is about 65001.7324769117. The cubic root of 4225225225 is about 1616.6522882249.

Subtracting 4225225225 from its reverse (5225225224), we obtain a palindrome (999999999).

The spelling of 4225225225 in words is "four billion, two hundred twenty-five million, two hundred twenty-five thousand, two hundred twenty-five".