1223226 has 12 divisors (see below), whose sum is σ = 2650362. Its totient is φ = 407736.

The previous prime is 1223207. The next prime is 1223231. The reversal of 1223226 is 6223221.

It can be written as a sum of positive squares in only one way, i.e., 1212201 + 11025 = 1101^2 + 105^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67957 = 1223226 / (1 + 2 + 2 + 3 + 2 + 2 + 6).

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 = 1223199 and 1223208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33961 + ... + 33996.

2^1223226 is an apocalyptic number.

1223226 is an abundant number, since it is smaller than the sum of its proper divisors (1427136).

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

1223226 is a wasteful number, since it uses less digits than its factorization.

1223226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67965 (or 67962 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1223226 is about 1105.9954791951. The cubic root of 1223226 is about 106.9470725515.

Adding to 1223226 its reverse (6223221), we get a palindrome (7446447).

The spelling of 1223226 in words is "one million, two hundred twenty-three thousand, two hundred twenty-six".