2220326126566 has 4 divisors (see below), whose sum is σ = 3330489189852. Its totient is φ = 1110163063282.

The previous prime is 2220326126533. The next prime is 2220326126569. The reversal of 2220326126566 is 6656216230222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220326126569) 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, 555081531640 + ... + 555081531643.

It is an arithmetic number, because the mean of its divisors is an integer number (832622297463).

Almost surely, 2^{2220326126566} is an apocalyptic number.

2220326126566 is a deficient number, since it is larger than the sum of its proper divisors (1110163063286).

2220326126566 is a wasteful number, since it uses less digits than its factorization.

2220326126566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110163063285.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 2220326126566 in words is "two trillion, two hundred twenty billion, three hundred twenty-six million, one hundred twenty-six thousand, five hundred sixty-six".