2225378689 has 8 divisors (see below), whose sum is σ = 2282280840. Its totient is φ = 2168601600.

The previous prime is 2225378611. The next prime is 2225378711. The reversal of 2225378689 is 9868735222.

It can be written as a sum of positive squares in 4 ways, for example, as 203347600 + 2022031089 = 14260^2 + 44967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2225378689 - 2¹¹ = 2225376641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225378789) 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 7 ways as a sum of consecutive naturals, for example, 5317 + ... + 66925.

It is an arithmetic number, because the mean of its divisors is an integer number (285285105).

Almost surely, 2^2225378689 is an apocalyptic number.

It is an amenable number.

2225378689 is a deficient number, since it is larger than the sum of its proper divisors (56902151).

2225378689 is an equidigital number, since it uses as much as digits as its factorization.

2225378689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62531.

The product of its digits is 2903040, while the sum is 52.

The square root of 2225378689 is about 47173.9195848723. The cubic root of 2225378689 is about 1305.5734455657.

The spelling of 2225378689 in words is "two billion, two hundred twenty-five million, three hundred seventy-eight thousand, six hundred eighty-nine".