2012225425 has 18 divisors (see below), whose sum is σ = 2902534278. Its totient is φ = 1379810880.

The previous prime is 2012225389. The next prime is 2012225437. The reversal of 2012225425 is 5245222102.

It can be written as a sum of positive squares in 3 ways, for example, as 498003856 + 1514221569 = 22316^2 + 38913^2 .

It is not a de Polignac number, because 2012225425 - 2¹⁵ = 2012192657 is a prime.

It is a super-2 number, since 2×2012225425² = 8098102322032861250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2012225425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 820092 + ... + 822541.

Almost surely, 2^2012225425 is an apocalyptic number.

2012225425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2012225425 is a deficient number, since it is larger than the sum of its proper divisors (890308853).

2012225425 is a wasteful number, since it uses less digits than its factorization.

2012225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642657 (or 1642645 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2012225425 is about 44857.8357146218. The cubic root of 2012225425 is about 1262.4830151621.

Adding to 2012225425 its reverse (5245222102), we get a palindrome (7257447527).

The spelling of 2012225425 in words is "two billion, twelve million, two hundred twenty-five thousand, four hundred twenty-five".