11220343424 has 32 divisors (see below), whose sum is σ = 22364389440. Its totient is φ = 5607320320.

The previous prime is 11220343403. The next prime is 11220343439. The reversal of 11220343424 is 42434302211.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×11220343424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11220343393 and 11220343402.

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, 242819 + ... + 285309.

It is an arithmetic number, because the mean of its divisors is an integer number (698887170).

Almost surely, 2^11220343424 is an apocalyptic number.

It is an amenable number.

11220343424 is a deficient number, since it is larger than the sum of its proper divisors (11144046016).

11220343424 is an equidigital number, since it uses as much as digits as its factorization.

11220343424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44568 (or 44556 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 11220343424 its reverse (42434302211), we get a palindrome (53654645635).

The spelling of 11220343424 in words is "eleven billion, two hundred twenty million, three hundred forty-three thousand, four hundred twenty-four".