2284554821 has 2 divisors, whose sum is σ = 2284554822. Its totient is φ = 2284554820.

The previous prime is 2284554793. The next prime is 2284554847. The reversal of 2284554821 is 1284554822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1390245796 + 894309025 = 37286^2 + 29905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2284554821 - 2¹⁴ = 2284538437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2284554121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142277410 + 1142277411.

It is an arithmetic number, because the mean of its divisors is an integer number (1142277411).

Almost surely, 2^2284554821 is an apocalyptic number.

It is an amenable number.

2284554821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2284554821 is an equidigital number, since it uses as much as digits as its factorization.

2284554821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204800, while the sum is 41.

The square root of 2284554821 is about 47797.0168629801. The cubic root of 2284554821 is about 1317.0447394192.

Subtracting from 2284554821 its reverse (1284554822), we obtain a palindrome (999999999).

The spelling of 2284554821 in words is "two billion, two hundred eighty-four million, five hundred fifty-four thousand, eight hundred twenty-one".