11445204222 has 12 divisors (see below), whose sum is σ = 24797942520. Its totient is φ = 3815068068.

The previous prime is 11445204217. The next prime is 11445204229. The reversal of 11445204222 is 22240254411.

It is a happy number.

11445204222 is a `hidden beast` number, since 11 + 445 + 204 + 2 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445204229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317922322 + ... + 317922357.

It is an arithmetic number, because the mean of its divisors is an integer number (2066495210).

Almost surely, 2^11445204222 is an apocalyptic number.

11445204222 is an abundant number, since it is smaller than the sum of its proper divisors (13352738298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11445204222 is a wasteful number, since it uses less digits than its factorization.

11445204222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635844687 (or 635844684 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 11445204222 its reverse (22240254411), we get a palindrome (33685458633).

The spelling of 11445204222 in words is "eleven billion, four hundred forty-five million, two hundred four thousand, two hundred twenty-two".