2246845661 has 2 divisors, whose sum is σ = 2246845662. Its totient is φ = 2246845660.

The previous prime is 2246845577. The next prime is 2246845691. The reversal of 2246845661 is 1665486422.

2246845661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1524902500 + 721943161 = 39050^2 + 26869^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246845661 - 2²² = 2242651357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2246845691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123422830 + 1123422831.

It is an arithmetic number, because the mean of its divisors is an integer number (1123422831).

Almost surely, 2^2246845661 is an apocalyptic number.

It is an amenable number.

2246845661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246845661 is an equidigital number, since it uses as much as digits as its factorization.

2246845661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 44.

The square root of 2246845661 is about 47400.9035884338. The cubic root of 2246845661 is about 1309.7580620740.

The spelling of 2246845661 in words is "two billion, two hundred forty-six million, eight hundred forty-five thousand, six hundred sixty-one".