1222768 has 10 divisors (see below), whose sum is σ = 2369144. Its totient is φ = 611376.

The previous prime is 1222757. The next prime is 1222769. The reversal of 1222768 is 8672221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38196 + ... + 38227.

2^1222768 is an apocalyptic number.

It is an amenable number.

1222768 is a deficient number, since it is larger than the sum of its proper divisors (1146376).

1222768 is an equidigital number, since it uses as much as digits as its factorization.

1222768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76431 (or 76425 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 1222768 is about 1105.7884065227. The cubic root of 1222768 is about 106.9337231858.

Adding to 1222768 its reverse (8672221), we get a palindrome (9894989).

The spelling of 1222768 in words is "one million, two hundred twenty-two thousand, seven hundred sixty-eight".