2336220661 has 2 divisors, whose sum is σ = 2336220662. Its totient is φ = 2336220660.

The previous prime is 2336220641. The next prime is 2336220683. The reversal of 2336220661 is 1660226332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1829700625 + 506520036 = 42775^2 + 22506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2336220661 - 2⁹ = 2336220149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2336220641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1168110330 + 1168110331.

It is an arithmetic number, because the mean of its divisors is an integer number (1168110331).

Almost surely, 2^2336220661 is an apocalyptic number.

It is an amenable number.

2336220661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2336220661 is an equidigital number, since it uses as much as digits as its factorization.

2336220661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2336220661 is about 48334.4665947603. The cubic root of 2336220661 is about 1326.8992648395.

Adding to 2336220661 its reverse (1660226332), we get a palindrome (3996446993).

The spelling of 2336220661 in words is "two billion, three hundred thirty-six million, two hundred twenty thousand, six hundred sixty-one".