1224022 has 4 divisors (see below), whose sum is σ = 1836036. Its totient is φ = 612010.

The previous prime is 1223993. The next prime is 1224029. The reversal of 1224022 is 2204221.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1223993 and 1224011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306004 + ... + 306007.

It is an arithmetic number, because the mean of its divisors is an integer number (459009).

2^1224022 is an apocalyptic number.

1224022 is a deficient number, since it is larger than the sum of its proper divisors (612014).

1224022 is an equidigital number, since it uses as much as digits as its factorization.

1224022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612013.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1224022 is about 1106.3552774765. The cubic root of 1224022 is about 106.9702657065.

Adding to 1224022 its reverse (2204221), we get a palindrome (3428243).

The spelling of 1224022 in words is "one million, two hundred twenty-four thousand, twenty-two".