2314521221 has 2 divisors, whose sum is σ = 2314521222. Its totient is φ = 2314521220.

The previous prime is 2314521203. The next prime is 2314521227. The reversal of 2314521221 is 1221254132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2226424225 + 88096996 = 47185^2 + 9386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2314521221 - 2¹⁴ = 2314504837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2314521227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157260610 + 1157260611.

It is an arithmetic number, because the mean of its divisors is an integer number (1157260611).

Almost surely, 2^2314521221 is an apocalyptic number.

It is an amenable number.

2314521221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2314521221 is an equidigital number, since it uses as much as digits as its factorization.

2314521221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 2314521221 is about 48109.4712192932. The cubic root of 2314521221 is about 1322.7782814733.

Adding to 2314521221 its reverse (1221254132), we get a palindrome (3535775353).

The spelling of 2314521221 in words is "two billion, three hundred fourteen million, five hundred twenty-one thousand, two hundred twenty-one".