11649716222 has 4 divisors (see below), whose sum is σ = 17474574336. Its totient is φ = 5824858110.

The previous prime is 11649716209. The next prime is 11649716227. The reversal of 11649716222 is 22261794611.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11649716222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11649716227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2912429054 + ... + 2912429057.

It is an arithmetic number, because the mean of its divisors is an integer number (4368643584).

Almost surely, 2^11649716222 is an apocalyptic number.

11649716222 is a deficient number, since it is larger than the sum of its proper divisors (5824858114).

11649716222 is an equidigital number, since it uses as much as digits as its factorization.

11649716222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824858113.

The product of its digits is 72576, while the sum is 41.

The spelling of 11649716222 in words is "eleven billion, six hundred forty-nine million, seven hundred sixteen thousand, two hundred twenty-two".