11223380 has 24 divisors (see below), whose sum is σ = 26936448. Its totient is φ = 3847968.

The previous prime is 11223361. The next prime is 11223397. The reversal of 11223380 is 8332211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39944 + ... + 40223.

It is an arithmetic number, because the mean of its divisors is an integer number (1122352).

Almost surely, 2^11223380 is an apocalyptic number.

11223380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223380 is an abundant number, since it is smaller than the sum of its proper divisors (15713068).

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

11223380 is a wasteful number, since it uses less digits than its factorization.

11223380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80183 (or 80181 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11223380 is about 3350.1313407089. The cubic root of 11223380 is about 223.8933644226.

Adding to 11223380 its reverse (8332211), we get a palindrome (19555591).

The spelling of 11223380 in words is "eleven million, two hundred twenty-three thousand, three hundred eighty".