1100022000 has 320 divisors, whose sum is σ = 4423431168. Its totient is φ = 228480000.

The previous prime is 1100021999. The next prime is 1100022029. The reversal of 1100022000 is 2200011.

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 zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1100022000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 460810 + ... + 463190.

Almost surely, 2^1100022000 is an apocalyptic number.

1100022000 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 1100022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2211715584).

1100022000 is an abundant number, since it is smaller than the sum of its proper divisors (3323409168).

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

1100022000 is a wasteful number, since it uses less digits than its factorization.

1100022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2409 counting only the distinct ones).

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

The square root of 1100022000 is about 33166.5795643747. The cubic root of 1100022000 is about 1032.2869972779.

Adding to 1100022000 its reverse (2200011), we get a palindrome (1102222011).

The spelling of 1100022000 in words is "one billion, one hundred million, twenty-two thousand".