1222110 has 48 divisors (see below), whose sum is σ = 3272256. Its totient is φ = 316224.

The previous prime is 1222097. The next prime is 1222129. The reversal of 1222110 is 112221.

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 = 1222092 and 1222101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3147 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (68172).

2^1222110 is an apocalyptic number.

1222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636128).

1222110 is an abundant number, since it is smaller than the sum of its proper divisors (2050146).

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

1222110 is a wasteful number, since it uses less digits than its factorization.

1222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

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

The square root of 1222110 is about 1105.4908412104. The cubic root of 1222110 is about 106.9145385667.

Adding to 1222110 its reverse (112221), we get a palindrome (1334331).

It can be divided in two parts, 12 and 22110, that added together give a palindrome (22122).

The spelling of 1222110 in words is "one million, two hundred twenty-two thousand, one hundred ten".