11222380 has 48 divisors (see below), whose sum is σ = 26883360. Its totient is φ = 3898368.

The previous prime is 11222357. The next prime is 11222417. The reversal of 11222380 is 8322211.

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, 3151 + ... + 5689.

It is an arithmetic number, because the mean of its divisors is an integer number (560070).

Almost surely, 2^11222380 is an apocalyptic number.

11222380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13441680).

11222380 is an abundant number, since it is smaller than the sum of its proper divisors (15660980).

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

11222380 is a wasteful number, since it uses less digits than its factorization.

11222380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11222380 is about 3349.9820895044. The cubic root of 11222380 is about 223.8867146132.

Adding to 11222380 its reverse (8322211), we get a palindrome (19544591).

The spelling of 11222380 in words is "eleven million, two hundred twenty-two thousand, three hundred eighty".