11221443224 has 8 divisors (see below), whose sum is σ = 21040206060. Its totient is φ = 5610721608.

The previous prime is 11221443199. The next prime is 11221443239. The reversal of 11221443224 is 42234412211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11221443193 and 11221443202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701340194 + ... + 701340209.

Almost surely, 2^11221443224 is an apocalyptic number.

It is an amenable number.

11221443224 is a deficient number, since it is larger than the sum of its proper divisors (9818762836).

11221443224 is a wasteful number, since it uses less digits than its factorization.

11221443224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402680409 (or 1402680405 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

Adding to 11221443224 its reverse (42234412211), we get a palindrome (53455855435).

The spelling of 11221443224 in words is "eleven billion, two hundred twenty-one million, four hundred forty-three thousand, two hundred twenty-four".