266224855 has 12 divisors (see below), whose sum is σ = 345935880. Its totient is φ = 196596192.

The previous prime is 266224853. The next prime is 266224859. The reversal of 266224855 is 558422662.

It is not a de Polignac number, because 266224855 - 2¹ = 266224853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266224853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156685 + ... + 158374.

It is an arithmetic number, because the mean of its divisors is an integer number (28827990).

Almost surely, 2^266224855 is an apocalyptic number.

266224855 is a deficient number, since it is larger than the sum of its proper divisors (79711025).

266224855 is a wasteful number, since it uses less digits than its factorization.

266224855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315090 (or 315077 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 266224855 is about 16316.3983464489. The cubic root of 266224855 is about 643.3039228473.

The spelling of 266224855 in words is "two hundred sixty-six million, two hundred twenty-four thousand, eight hundred fifty-five".