266223055 has 8 divisors (see below), whose sum is σ = 365105952. Its totient is φ = 182552928.

The previous prime is 266223049. The next prime is 266223073. The reversal of 266223055 is 550322662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266223055 - 2¹⁷ = 266091983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3803152 + ... + 3803221.

It is an arithmetic number, because the mean of its divisors is an integer number (45638244).

Almost surely, 2^266223055 is an apocalyptic number.

266223055 is a deficient number, since it is larger than the sum of its proper divisors (98882897).

266223055 is an equidigital number, since it uses as much as digits as its factorization.

266223055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606385.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 266223055 is about 16316.3431871238. The cubic root of 266223055 is about 643.3024730082.

The spelling of 266223055 in words is "two hundred sixty-six million, two hundred twenty-three thousand, fifty-five".