2292766561 has 2 divisors, whose sum is σ = 2292766562. Its totient is φ = 2292766560.

The previous prime is 2292766517. The next prime is 2292766571. The reversal of 2292766561 is 1656672922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2292590161 + 176400 = 47881^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2292766561 - 2¹⁷ = 2292635489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2292766501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146383280 + 1146383281.

It is an arithmetic number, because the mean of its divisors is an integer number (1146383281).

Almost surely, 2^2292766561 is an apocalyptic number.

It is an amenable number.

2292766561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2292766561 is an equidigital number, since it uses as much as digits as its factorization.

2292766561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 2292766561 is about 47882.8420313582. The cubic root of 2292766561 is about 1318.6208738420.

The spelling of 2292766561 in words is "two billion, two hundred ninety-two million, seven hundred sixty-six thousand, five hundred sixty-one".