1224434 has 4 divisors (see below), whose sum is σ = 1836654. Its totient is φ = 612216.

The previous prime is 1224413. The next prime is 1224437. The reversal of 1224434 is 4344221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4344221 = 7 ⋅620603.

It can be written as a sum of positive squares in only one way, i.e., 1203409 + 21025 = 1097^2 + 145^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1224437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306107 + ... + 306110.

2^1224434 is an apocalyptic number.

1224434 is a deficient number, since it is larger than the sum of its proper divisors (612220).

1224434 is an equidigital number, since it uses as much as digits as its factorization.

1224434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612219.

The product of its digits is 768, while the sum is 20.

The square root of 1224434 is about 1106.5414587805. The cubic root of 1224434 is about 106.9822662549.

Adding to 1224434 its reverse (4344221), we get a palindrome (5568655).

The spelling of 1224434 in words is "one million, two hundred twenty-four thousand, four hundred thirty-four".