222100110 has 64 divisors (see below), whose sum is σ = 594216000. Its totient is φ = 59031936.

The previous prime is 222100103. The next prime is 222100127. The reversal of 222100110 is 11001222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 222100092 and 222100101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93052 + ... + 95408.

It is an arithmetic number, because the mean of its divisors is an integer number (9284625).

Almost surely, 2^222100110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222100110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297108000).

222100110 is an abundant number, since it is smaller than the sum of its proper divisors (372115890).

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

222100110 is a wasteful number, since it uses less digits than its factorization.

222100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 222100110 is about 14903.0235187361. The cubic root of 222100110 is about 605.5958976325.

Adding to 222100110 its reverse (11001222), we get a palindrome (233101332).

The spelling of 222100110 in words is "two hundred twenty-two million, one hundred thousand, one hundred ten".