2285770321 has 2 divisors, whose sum is σ = 2285770322. Its totient is φ = 2285770320.

The previous prime is 2285770313. The next prime is 2285770327. The reversal of 2285770321 is 1230775822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1343955600 + 941814721 = 36660^2 + 30689^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285770321 - 2³ = 2285770313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2285770327) 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 as a sum of consecutive naturals, namely, 1142885160 + 1142885161.

It is an arithmetic number, because the mean of its divisors is an integer number (1142885161).

Almost surely, 2^2285770321 is an apocalyptic number.

It is an amenable number.

2285770321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285770321 is an equidigital number, since it uses as much as digits as its factorization.

2285770321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2285770321 is about 47809.7304008295. The cubic root of 2285770321 is about 1317.2782763919.

The spelling of 2285770321 in words is "two billion, two hundred eighty-five million, seven hundred seventy thousand, three hundred twenty-one".