11022900 has 144 divisors (see below), whose sum is σ = 37914240. Its totient is φ = 2419200.

The previous prime is 11022889. The next prime is 11022923. The reversal of 11022900 is 922011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11022900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60810 + ... + 60990.

Almost surely, 2^11022900 is an apocalyptic number.

11022900 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 11022900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18957120).

11022900 is an abundant number, since it is smaller than the sum of its proper divisors (26891340).

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

11022900 is a wasteful number, since it uses less digits than its factorization.

11022900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 11022900 is about 3320.0753003509. The cubic root of 11022900 is about 222.5522328241.

Adding to 11022900 its reverse (922011), we get a palindrome (11944911).

The spelling of 11022900 in words is "eleven million, twenty-two thousand, nine hundred".