1223266 has 8 divisors (see below), whose sum is σ = 2001744. Its totient is φ = 556020.

The previous prime is 1223263. The next prime is 1223279. The reversal of 1223266 is 6623221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 55603 = 1223266 / (1 + 2 + 2 + 3 + 2 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (1223263) 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, 27780 + ... + 27823.

It is an arithmetic number, because the mean of its divisors is an integer number (250218).

2^1223266 is an apocalyptic number.

1223266 is a deficient number, since it is larger than the sum of its proper divisors (778478).

1223266 is a wasteful number, since it uses less digits than its factorization.

1223266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55616.

The product of its digits is 864, while the sum is 22.

The square root of 1223266 is about 1106.0135623038. The cubic root of 1223266 is about 106.9482382767.

Adding to 1223266 its reverse (6623221), we get a palindrome (7846487).

The spelling of 1223266 in words is "one million, two hundred twenty-three thousand, two hundred sixty-six".