1244223 has 6 divisors (see below), whose sum is σ = 1797224. Its totient is φ = 829476.

The previous prime is 1244203. The next prime is 1244233. The reversal of 1244223 is 3224421.

It is not a de Polignac number, because 1244223 - 2⁸ = 1243967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1244196 and 1244205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69115 + ... + 69132.

2^1244223 is an apocalyptic number.

1244223 is a deficient number, since it is larger than the sum of its proper divisors (553001).

1244223 is a wasteful number, since it uses less digits than its factorization.

1244223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138253 (or 138250 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 1244223 is about 1115.4474438538. The cubic root of 1244223 is about 107.5555292706. Note that the first 4 decimals are identical.

Adding to 1244223 its reverse (3224421), we get a palindrome (4468644).

The spelling of 1244223 in words is "one million, two hundred forty-four thousand, two hundred twenty-three".