2666324522 has 4 divisors (see below), whose sum is σ = 3999486786. Its totient is φ = 1333162260.

The previous prime is 2666324509. The next prime is 2666324527. The reversal of 2666324522 is 2254236662.

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., 1994426281 + 671898241 = 44659^2 + 25921^2 .

It is not an unprimeable number, because it can be changed into a prime (2666324527) 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, 666581129 + ... + 666581132.

Almost surely, 2^2666324522 is an apocalyptic number.

2666324522 is a deficient number, since it is larger than the sum of its proper divisors (1333162264).

2666324522 is a wasteful number, since it uses less digits than its factorization.

2666324522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333162263.

The product of its digits is 207360, while the sum is 38.

The square root of 2666324522 is about 51636.4650416738. The cubic root of 2666324522 is about 1386.6632386991.

The spelling of 2666324522 in words is "two billion, six hundred sixty-six million, three hundred twenty-four thousand, five hundred twenty-two".