2225142125 has 8 divisors (see below), whose sum is σ = 2776977528. Its totient is φ = 1780113600.

The previous prime is 2225142109. The next prime is 2225142137. The reversal of 2225142125 is 5212415222.

It can be written as a sum of positive squares in 4 ways, for example, as 183819364 + 2041322761 = 13558^2 + 45181^2 .

It is not a de Polignac number, because 2225142125 - 2⁴ = 2225142109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2225142094 and 2225142103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8900444 + ... + 8900693.

It is an arithmetic number, because the mean of its divisors is an integer number (347122191).

Almost surely, 2^2225142125 is an apocalyptic number.

2225142125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225142125 is a deficient number, since it is larger than the sum of its proper divisors (551835403).

2225142125 is an equidigital number, since it uses as much as digits as its factorization.

2225142125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17801152 (or 17801142 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 2225142125 is about 47171.4121582129. The cubic root of 2225142125 is about 1305.5271818859.

Adding to 2225142125 its reverse (5212415222), we get a palindrome (7437557347).

The spelling of 2225142125 in words is "two billion, two hundred twenty-five million, one hundred forty-two thousand, one hundred twenty-five".