1222316 has 12 divisors (see below), whose sum is σ = 2147040. Its totient is φ = 608880.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222316 is 6132221.

1222316 is nontrivially palindromic in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 1222294 and 1222303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 2078.

It is an arithmetic number, because the mean of its divisors is an integer number (178920).

2^1222316 is an apocalyptic number.

It is an amenable number.

1222316 is a deficient number, since it is larger than the sum of its proper divisors (924724).

1222316 is a wasteful number, since it uses less digits than its factorization.

1222316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1142 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 1222316 is about 1105.5840085674. The cubic root of 1222316 is about 106.9205454339.

Adding to 1222316 its reverse (6132221), we get a palindrome (7354537).

The spelling of 1222316 in words is "one million, two hundred twenty-two thousand, three hundred sixteen".