2207688541 has 2 divisors, whose sum is σ = 2207688542. Its totient is φ = 2207688540.

The previous prime is 2207688523. The next prime is 2207688563. The reversal of 2207688541 is 1458867022.

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., 2183225625 + 24462916 = 46725^2 + 4946^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207688541 - 2⁹ = 2207688029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2207682541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103844270 + 1103844271.

It is an arithmetic number, because the mean of its divisors is an integer number (1103844271).

Almost surely, 2^2207688541 is an apocalyptic number.

It is an amenable number.

2207688541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207688541 is an equidigital number, since it uses as much as digits as its factorization.

2207688541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 2207688541 is about 46986.0462371543. The cubic root of 2207688541 is about 1302.1047838711.

The spelling of 2207688541 in words is "two billion, two hundred seven million, six hundred eighty-eight thousand, five hundred forty-one".