266307122 has 4 divisors (see below), whose sum is σ = 399460686. Its totient is φ = 133153560.

The previous prime is 266307121. The next prime is 266307137. The reversal of 266307122 is 221703662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 261113281 + 5193841 = 16159^2 + 2279^2 .

It is not an unprimeable number, because it can be changed into a prime (266307121) 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, 66576779 + ... + 66576782.

Almost surely, 2^266307122 is an apocalyptic number.

266307122 is a deficient number, since it is larger than the sum of its proper divisors (133153564).

266307122 is a wasteful number, since it uses less digits than its factorization.

266307122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133153563.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 266307122 is about 16318.9191431295. The cubic root of 266307122 is about 643.3701791623.

The spelling of 266307122 in words is "two hundred sixty-six million, three hundred seven thousand, one hundred twenty-two".