1222276 has 12 divisors (see below), whose sum is σ = 2333520. Its totient is φ = 555560.

The previous prime is 1222271. The next prime is 1222279. The reversal of 1222276 is 6722221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1222271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13846 + ... + 13933.

It is an arithmetic number, because the mean of its divisors is an integer number (194460).

2^1222276 is an apocalyptic number.

It is an amenable number.

1222276 is a deficient number, since it is larger than the sum of its proper divisors (1111244).

1222276 is a wasteful number, since it uses less digits than its factorization.

1222276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27794 (or 27792 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 1222276 is about 1105.5659184327. The cubic root of 1222276 is about 106.9193791048.

Adding to 1222276 its reverse (6722221), we get a palindrome (7944497).

Subtracting 1222276 from its reverse (6722221), we obtain a palindrome (5499945).

The spelling of 1222276 in words is "one million, two hundred twenty-two thousand, two hundred seventy-six".