2225423125 has 20 divisors (see below), whose sum is σ = 2784917916. Its totient is φ = 1777760000.

The previous prime is 2225423117. The next prime is 2225423147. The reversal of 2225423125 is 5213245222.

It can be written as a sum of positive squares in 10 ways, for example, as 2220954129 + 4468996 = 47127^2 + 2114^2 .

It is not a de Polignac number, because 2225423125 - 2³ = 2225423117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2225423093 and 2225423102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 510957 + ... + 515293.

Almost surely, 2^2225423125 is an apocalyptic number.

2225423125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225423125 is a deficient number, since it is larger than the sum of its proper divisors (559494791).

2225423125 is an frugal number, since it uses more digits than its factorization.

2225423125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178 (or 5163 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 2225423125 is about 47174.3905631011. The cubic root of 2225423125 is about 1305.5821353340.

Adding to 2225423125 its reverse (5213245222), we get a palindrome (7438668347).

The spelling of 2225423125 in words is "two billion, two hundred twenty-five million, four hundred twenty-three thousand, one hundred twenty-five".