2225156125 has 16 divisors (see below), whose sum is σ = 2785916016. Its totient is φ = 1774406400.

The previous prime is 2225156123. The next prime is 2225156159. The reversal of 2225156125 is 5216515222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1983633444 + 241522681 = 44538^2 + 15541^2 .

It is not a de Polignac number, because 2225156125 - 2¹ = 2225156123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225156123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10689 + ... + 67561.

It is an arithmetic number, because the mean of its divisors is an integer number (174119751).

Almost surely, 2^2225156125 is an apocalyptic number.

2225156125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225156125 is a deficient number, since it is larger than the sum of its proper divisors (560759891).

2225156125 is an equidigital number, since it uses as much as digits as its factorization.

2225156125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57201 (or 57191 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 2225156125 is about 47171.5605529433. The cubic root of 2225156125 is about 1305.5299198896.

The spelling of 2225156125 in words is "two billion, two hundred twenty-five million, one hundred fifty-six thousand, one hundred twenty-five".