1100022066 has 64 divisors (see below), whose sum is σ = 2871872640. Its totient is φ = 307696320.

The previous prime is 1100022041. The next prime is 1100022067. The reversal of 1100022066 is 6602200011.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1100022067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63505 + ... + 78948.

It is an arithmetic number, because the mean of its divisors is an integer number (44873010).

Almost surely, 2^1100022066 is an apocalyptic number.

1100022066 is an abundant number, since it is smaller than the sum of its proper divisors (1771850574).

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

1100022066 is a wasteful number, since it uses less digits than its factorization.

1100022066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142488 (or 142482 counting only the distinct ones).

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

The square root of 1100022066 is about 33166.5805593522. The cubic root of 1100022066 is about 1032.2870179233.

Adding to 1100022066 its reverse (6602200011), we get a palindrome (7702222077).

The spelling of 1100022066 in words is "one billion, one hundred million, twenty-two thousand, sixty-six".