266822994 has 16 divisors (see below), whose sum is σ = 534981600. Its totient is φ = 88718400.

The previous prime is 266822951. The next prime is 266822999. The reversal of 266822994 is 499228662.

It is a happy number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (266822999) 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 in 7 ways as a sum of consecutive naturals, for example, 53044 + ... + 57855.

It is an arithmetic number, because the mean of its divisors is an integer number (33436350).

Almost surely, 2^266822994 is an apocalyptic number.

266822994 is an abundant number, since it is smaller than the sum of its proper divisors (268158606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266822994 is a wasteful number, since it uses less digits than its factorization.

266822994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111305.

The product of its digits is 746496, while the sum is 48.

The square root of 266822994 is about 16334.7174447555. The cubic root of 266822994 is about 643.7853421512.

The spelling of 266822994 in words is "two hundred sixty-six million, eight hundred twenty-two thousand, nine hundred ninety-four".