2289190625 has 12 divisors (see below), whose sum is σ = 2861309052. Its totient is φ = 1831350000.

The previous prime is 2289190571. The next prime is 2289190639. The reversal of 2289190625 is 5260919822.

It can be written as a sum of positive squares in 6 ways, for example, as 2048196049 + 240994576 = 45257^2 + 15524^2 .

It is not a de Polignac number, because 2289190625 - 2¹⁰ = 2289189601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 363146 + ... + 369395.

It is an arithmetic number, because the mean of its divisors is an integer number (238442421).

Almost surely, 2^2289190625 is an apocalyptic number.

2289190625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2289190625 is a deficient number, since it is larger than the sum of its proper divisors (572118427).

2289190625 is an frugal number, since it uses more digits than its factorization.

2289190625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732566 (or 732546 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 2289190625 is about 47845.4869867577. The cubic root of 2289190625 is about 1317.9349837790.

The spelling of 2289190625 in words is "two billion, two hundred eighty-nine million, one hundred ninety thousand, six hundred twenty-five".