11222240168 has 16 divisors (see below), whose sum is σ = 21043557780. Its totient is φ = 5610624768.

The previous prime is 11222240129. The next prime is 11222240177. The reversal of 11222240168 is 86104222211.

It can be written as a sum of positive squares in 2 ways, for example, as 11075878564 + 146361604 = 105242^2 + 12098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11222240168.

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, 45296 + ... + 156512.

Almost surely, 2^11222240168 is an apocalyptic number.

It is an amenable number.

11222240168 is a deficient number, since it is larger than the sum of its proper divisors (9821317612).

11222240168 is a wasteful number, since it uses less digits than its factorization.

11222240168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123836 (or 123832 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 11222240168 its reverse (86104222211), we get a palindrome (97326462379).

The spelling of 11222240168 in words is "eleven billion, two hundred twenty-two million, two hundred forty thousand, one hundred sixty-eight".