1219223 has 4 divisors (see below), whose sum is σ = 1290960. Its totient is φ = 1147488.

The previous prime is 1219213. The next prime is 1219237. The reversal of 1219223 is 3229121.

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 1219223 - 2¹⁰ = 1218199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1219195 and 1219204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1219213) 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, 35843 + ... + 35876.

It is an arithmetic number, because the mean of its divisors is an integer number (322740).

2^1219223 is an apocalyptic number.

1219223 is a deficient number, since it is larger than the sum of its proper divisors (71737).

1219223 is an equidigital number, since it uses as much as digits as its factorization.

1219223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71736.

The product of its digits is 216, while the sum is 20.

The square root of 1219223 is about 1104.1843143244. The cubic root of 1219223 is about 106.8302838367.

The spelling of 1219223 in words is "one million, two hundred nineteen thousand, two hundred twenty-three".