1222116 has 24 divisors (see below), whose sum is σ = 3259200. Its totient is φ = 349152.

The previous prime is 1222097. The next prime is 1222129. The reversal of 1222116 is 6112221.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1222095 and 1222104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7191 + ... + 7358.

It is an arithmetic number, because the mean of its divisors is an integer number (135800).

2^1222116 is an apocalyptic number.

It is an amenable number.

1222116 is an abundant number, since it is smaller than the sum of its proper divisors (2037084).

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

1222116 is a wasteful number, since it uses less digits than its factorization.

1222116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14563 (or 14561 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 1222116 is about 1105.4935549337. The cubic root of 1222116 is about 106.9147135335.

Adding to 1222116 its reverse (6112221), we get a palindrome (7334337).

The spelling of 1222116 in words is "one million, two hundred twenty-two thousand, one hundred sixteen".