2361002221 has 2 divisors, whose sum is σ = 2361002222. Its totient is φ = 2361002220.

The previous prime is 2361002219. The next prime is 2361002249. The reversal of 2361002221 is 1222001632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1399134025 + 961868196 = 37405^2 + 31014^2 .

It is a cyclic number.

It is not a de Polignac number, because 2361002221 - 2¹ = 2361002219 is a prime.

Together with 2361002219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2361002321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1180501110 + 1180501111.

It is an arithmetic number, because the mean of its divisors is an integer number (1180501111).

Almost surely, 2^2361002221 is an apocalyptic number.

It is an amenable number.

2361002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2361002221 is an equidigital number, since it uses as much as digits as its factorization.

2361002221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2361002221 is about 48590.1453074592. The cubic root of 2361002221 is about 1331.5744861891.

Adding to 2361002221 its reverse (1222001632), we get a palindrome (3583003853).

The spelling of 2361002221 in words is "two billion, three hundred sixty-one million, two thousand, two hundred twenty-one".