2202404444225 has 6 divisors (see below), whose sum is σ = 2730981510870. Its totient is φ = 1761923555360.

The previous prime is 2202404444221. The next prime is 2202404444293. The reversal of 2202404444225 is 5224444042022.

It can be written as a sum of positive squares in 3 ways, for example, as 175186613809 + 2027217830416 = 418553^2 + 1423804^2 .

It is not a de Polignac number, because 2202404444225 - 2² = 2202404444221 is a prime.

It is a super-2 number, since 2×2202404444225² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2202404444221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44048088860 + ... + 44048088909.

It is an arithmetic number, because the mean of its divisors is an integer number (455163585145).

Almost surely, 2^{2202404444225} is an apocalyptic number.

2202404444225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2202404444225 is a deficient number, since it is larger than the sum of its proper divisors (528577066645).

2202404444225 is an equidigital number, since it uses as much as digits as its factorization.

2202404444225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88096177779 (or 88096177774 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 2202404444225 its reverse (5224444042022), we get a palindrome (7426848486247).

The spelling of 2202404444225 in words is "two trillion, two hundred two billion, four hundred four million, four hundred forty-four thousand, two hundred twenty-five".