2281477321 has 2 divisors, whose sum is σ = 2281477322. Its totient is φ = 2281477320.

The previous prime is 2281477283. The next prime is 2281477339. The reversal of 2281477321 is 1237741822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1574502400 + 706974921 = 39680^2 + 26589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2281477321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2281477391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140738660 + 1140738661.

It is an arithmetic number, because the mean of its divisors is an integer number (1140738661).

Almost surely, 2^2281477321 is an apocalyptic number.

It is an amenable number.

2281477321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281477321 is an equidigital number, since it uses as much as digits as its factorization.

2281477321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 2281477321 is about 47764.8125820671. The cubic root of 2281477321 is about 1316.4530812514.

The spelling of 2281477321 in words is "two billion, two hundred eighty-one million, four hundred seventy-seven thousand, three hundred twenty-one".