1100022 has 32 divisors (see below), whose sum is σ = 2744064. Its totient is φ = 285600.

The previous prime is 1100009. The next prime is 1100023. The reversal of 1100022 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 zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (85752).

2^1100022 is an apocalyptic number.

1100022 is an abundant number, since it is smaller than the sum of its proper divisors (1644042).

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

1100022 is a wasteful number, since it uses less digits than its factorization.

1100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404.

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

The square root of 1100022 is about 1048.8193362062. The cubic root of 1100022 is about 103.2286997278.

Adding to 1100022 its reverse (2200011), we get a palindrome (3300033).

The spelling of 1100022 in words is "one million, one hundred thousand, twenty-two".