1223446 has 16 divisors (see below), whose sum is σ = 2165760. Its totient is φ = 507240.

The previous prime is 1223437. The next prime is 1223447. The reversal of 1223446 is 6443221.

It is a happy number.

It is a super-2 number, since 2×1223446² = 2993640229832, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (135360).

2^1223446 is an apocalyptic number.

1223446 is a deficient number, since it is larger than the sum of its proper divisors (942314).

1223446 is a wasteful number, since it uses less digits than its factorization.

1223446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859.

The product of its digits is 1152, while the sum is 22.

The square root of 1223446 is about 1106.0949326346. The cubic root of 1223446 is about 106.9534837259.

Adding to 1223446 its reverse (6443221), we get a palindrome (7666667).

The spelling of 1223446 in words is "one million, two hundred twenty-three thousand, four hundred forty-six".