2323221281 has 2 divisors, whose sum is σ = 2323221282. Its totient is φ = 2323221280.

The previous prime is 2323221247. The next prime is 2323221289. The reversal of 2323221281 is 1821223232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1850376256 + 472845025 = 43016^2 + 21745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323221281 - 2¹⁸ = 2322959137 is a prime.

It is a super-2 number, since 2×2323221281² = 10794714240982561922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2323221281.

It is not a weakly prime, because it can be changed into another prime (2323221289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161610640 + 1161610641.

It is an arithmetic number, because the mean of its divisors is an integer number (1161610641).

Almost surely, 2^2323221281 is an apocalyptic number.

It is an amenable number.

2323221281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323221281 is an equidigital number, since it uses as much as digits as its factorization.

2323221281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 2323221281 is about 48199.8058191109. The cubic root of 2323221281 is about 1324.4336074047.

The spelling of 2323221281 in words is "two billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred eighty-one".