11022660 has 144 divisors (see below), whose sum is σ = 38525760. Its totient is φ = 2522880.

The previous prime is 11022659. The next prime is 11022689. The reversal of 11022660 is 6622011.

It is a happy number.

11022660 is a `hidden beast` number, since 1 + 1 + 0 + 2 + 2 + 660 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 37474 + ... + 37766.

It is an arithmetic number, because the mean of its divisors is an integer number (267540).

Almost surely, 2^11022660 is an apocalyptic number.

11022660 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 11022660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19262880).

11022660 is an abundant number, since it is smaller than the sum of its proper divisors (27503100).

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

11022660 is a wasteful number, since it uses less digits than its factorization.

11022660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11022660 is about 3320.0391563956. The cubic root of 11022660 is about 222.5506176132.

Adding to 11022660 its reverse (6622011), we get a palindrome (17644671).

The spelling of 11022660 in words is "eleven million, twenty-two thousand, six hundred sixty".