2266997641 has 2 divisors, whose sum is σ = 2266997642. Its totient is φ = 2266997640.

The previous prime is 2266997611. The next prime is 2266997647. The reversal of 2266997641 is 1467996622.

2266997641 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., 1631756025 + 635241616 = 40395^2 + 25204^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266997641 - 2⁵ = 2266997609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2266997647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133498820 + 1133498821.

It is an arithmetic number, because the mean of its divisors is an integer number (1133498821).

Almost surely, 2^2266997641 is an apocalyptic number.

It is an amenable number.

2266997641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266997641 is an equidigital number, since it uses as much as digits as its factorization.

2266997641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 2266997641 is about 47612.9986558293. The cubic root of 2266997641 is about 1313.6621574296.

The spelling of 2266997641 in words is "two billion, two hundred sixty-six million, nine hundred ninety-seven thousand, six hundred forty-one".