2040322225 has 6 divisors (see below), whose sum is σ = 2529999590. Its totient is φ = 1632257760.

The previous prime is 2040322223. The next prime is 2040322259. The reversal of 2040322225 is 5222230402.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 488277409 + 1552044816 = 22097^2 + 39396^2 .

It is not a de Polignac number, because 2040322225 - 2¹ = 2040322223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040322196 and 2040322205.

It is not an unprimeable number, because it can be changed into a prime (2040322223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40806420 + ... + 40806469.

Almost surely, 2^2040322225 is an apocalyptic number.

2040322225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2040322225 is a deficient number, since it is larger than the sum of its proper divisors (489677365).

2040322225 is an equidigital number, since it uses as much as digits as its factorization.

2040322225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81612899 (or 81612894 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2040322225 is about 45169.9261124036. The cubic root of 2040322225 is about 1268.3319131718.

Adding to 2040322225 its reverse (5222230402), we get a palindrome (7262552627).

The spelling of 2040322225 in words is "two billion, forty million, three hundred twenty-two thousand, two hundred twenty-five".