11222233680 has 80 divisors (see below), whose sum is σ = 39758776704. Its totient is φ = 2565081600.

The previous prime is 11222233679. The next prime is 11222233691. The reversal of 11222233680 is 8633222211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3338271 + ... + 3341630.

Almost surely, 2^11222233680 is an apocalyptic number.

11222233680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222233680 is an abundant number, since it is smaller than the sum of its proper divisors (28536543024).

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

11222233680 is a wasteful number, since it uses less digits than its factorization.

11222233680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679924 (or 6679918 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 11222233680 its reverse (8633222211), we get a palindrome (19855455891).

The spelling of 11222233680 in words is "eleven billion, two hundred twenty-two million, two hundred thirty-three thousand, six hundred eighty".