2174307320225 has 6 divisors (see below), whose sum is σ = 2696141077110. Its totient is φ = 1739445856160.

The previous prime is 2174307320197. The next prime is 2174307320291. The reversal of 2174307320225 is 5220237034712.

It can be written as a sum of positive squares in 3 ways, for example, as 401883727249 + 1772423592976 = 633943^2 + 1331324^2 .

It is not a de Polignac number, because 2174307320225 - 2³² = 2170012352929 is a prime.

It is a super-2 number, since 2×2174307320225² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43486146380 + ... + 43486146429.

It is an arithmetic number, because the mean of its divisors is an integer number (449356846185).

Almost surely, 2^{2174307320225} is an apocalyptic number.

2174307320225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2174307320225 is a deficient number, since it is larger than the sum of its proper divisors (521833756885).

2174307320225 is an equidigital number, since it uses as much as digits as its factorization.

2174307320225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86972292819 (or 86972292814 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 2174307320225 in words is "two trillion, one hundred seventy-four billion, three hundred seven million, three hundred twenty thousand, two hundred twenty-five".