11022000 has 160 divisors (see below), whose sum is σ = 38997504. Its totient is φ = 2656000.

The previous prime is 11021993. The next prime is 11022023. The reversal of 11022000 is 22011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11022000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65917 + ... + 66083.

Almost surely, 2^11022000 is an apocalyptic number.

11022000 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 11022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498752).

11022000 is an abundant number, since it is smaller than the sum of its proper divisors (27975504).

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

11022000 is a wasteful number, since it uses less digits than its factorization.

11022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 11022000 is about 3319.9397584896. The cubic root of 11022000 is about 222.5461756624.

Adding to 11022000 its reverse (22011), we get a palindrome (11044011).

The spelling of 11022000 in words is "eleven million, twenty-two thousand".