11644331422 has 8 divisors (see below), whose sum is σ = 17498430216. Its totient is φ = 5811521352.

The previous prime is 11644331381. The next prime is 11644331443. The reversal of 11644331422 is 22413344611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5320813 + ... + 5323000.

It is an arithmetic number, because the mean of its divisors is an integer number (2187303777).

Almost surely, 2^11644331422 is an apocalyptic number.

11644331422 is a deficient number, since it is larger than the sum of its proper divisors (5854098794).

11644331422 is a wasteful number, since it uses less digits than its factorization.

11644331422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10644362.

The product of its digits is 13824, while the sum is 31.

The spelling of 11644331422 in words is "eleven billion, six hundred forty-four million, three hundred thirty-one thousand, four hundred twenty-two".