22220110 has 16 divisors (see below), whose sum is σ = 43632432. Its totient is φ = 8080000.

The previous prime is 22220083. The next prime is 22220113. The reversal of 22220110 is 1102222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100891 + ... + 101110.

It is an arithmetic number, because the mean of its divisors is an integer number (2727027).

Almost surely, 2^22220110 is an apocalyptic number.

22220110 is a deficient number, since it is larger than the sum of its proper divisors (21412322).

22220110 is a wasteful number, since it uses less digits than its factorization.

22220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202019.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22220110 is about 4713.8211675879. The cubic root of 22220110 is about 281.1353138989.

Adding to 22220110 its reverse (1102222), we get a palindrome (23322332).

The spelling of 22220110 in words is "twenty-two million, two hundred twenty thousand, one hundred ten".