266222662 has 4 divisors (see below), whose sum is σ = 399333996. Its totient is φ = 133111330.

The previous prime is 266222651. The next prime is 266222681.

266222662 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

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, 66555664 + ... + 66555667.

It is an arithmetic number, because the mean of its divisors is an integer number (99833499).

Almost surely, 2^266222662 is an apocalyptic number.

266222662 is a deficient number, since it is larger than the sum of its proper divisors (133111334).

266222662 is a wasteful number, since it uses less digits than its factorization.

266222662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133111333.

The product of its digits is 41472, while the sum is 34.

The square root of 266222662 is about 16316.3311439796. The cubic root of 266222662 is about 643.3021564591.

The spelling of 266222662 in words is "two hundred sixty-six million, two hundred twenty-two thousand, six hundred sixty-two".