1222223 has 4 divisors (see below), whose sum is σ = 1225560. Its totient is φ = 1218888.

The previous prime is 1222219. The next prime is 1222229. The reversal of 1222223 is 3222221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222223 - 2² = 1222219 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1222198 and 1222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222229) 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 in 3 ways as a sum of consecutive naturals, for example, 1040 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (306390).

2^1222223 is an apocalyptic number.

1222223 is a deficient number, since it is larger than the sum of its proper divisors (3337).

1222223 is an equidigital number, since it uses as much as digits as its factorization.

1222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336.

The product of its digits is 96, while the sum is 14.

The square root of 1222223 is about 1105.5419485483. The cubic root of 1222223 is about 106.9178336794.

Adding to 1222223 its reverse (3222221), we get a palindrome (4444444).

The spelling of 1222223 in words is "one million, two hundred twenty-two thousand, two hundred twenty-three".