2665822007 has 2 divisors, whose sum is σ = 2665822008. Its totient is φ = 2665822006.

The previous prime is 2665821989. The next prime is 2665822031. The reversal of 2665822007 is 7002285662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2665822007 - 2¹² = 2665817911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2665822067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332911003 + 1332911004.

It is an arithmetic number, because the mean of its divisors is an integer number (1332911004).

Almost surely, 2^2665822007 is an apocalyptic number.

2665822007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665822007 is an equidigital number, since it uses as much as digits as its factorization.

2665822007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2665822007 is about 51631.5989196538. The cubic root of 2665822007 is about 1386.5761196641.

The spelling of 2665822007 in words is "two billion, six hundred sixty-five million, eight hundred twenty-two thousand, seven".