2322661661 has 2 divisors, whose sum is σ = 2322661662. Its totient is φ = 2322661660.

The previous prime is 2322661637. The next prime is 2322661697. The reversal of 2322661661 is 1661662232.

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., 2322661636 + 25 = 48194^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2322661661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2322061661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161330830 + 1161330831.

It is an arithmetic number, because the mean of its divisors is an integer number (1161330831).

Almost surely, 2^2322661661 is an apocalyptic number.

It is an amenable number.

2322661661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2322661661 is an equidigital number, since it uses as much as digits as its factorization.

2322661661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 2322661661 is about 48194.0002593684. Note that the first 3 decimals coincide. The cubic root of 2322661661 is about 1324.3272552086.

The spelling of 2322661661 in words is "two billion, three hundred twenty-two million, six hundred sixty-one thousand, six hundred sixty-one".