11220300 has 216 divisors, whose sum is σ = 43601376. Its totient is φ = 2350080.

The previous prime is 11220299. The next prime is 11220301. The reversal of 11220300 is 302211.

It is a happy number.

11220300 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11220299) and next prime (11220301).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11220301) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 81832 + ... + 81968.

Almost surely, 2^11220300 is an apocalyptic number.

11220300 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 11220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21800688).

11220300 is an abundant number, since it is smaller than the sum of its proper divisors (32381076).

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

11220300 is a wasteful number, since it uses less digits than its factorization.

11220300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 11220300 is about 3349.6716256971. The cubic root of 11220300 is about 223.8728817441.

Adding to 11220300 its reverse (302211), we get a palindrome (11522511).

The spelling of 11220300 in words is "eleven million, two hundred twenty thousand, three hundred".