1944223 has 2 divisors, whose sum is σ = 1944224. Its totient is φ = 1944222.

The previous prime is 1944211. The next prime is 1944281. The reversal of 1944223 is 3224491.

1944223 is nontrivially palindromic in base 8.

It is a weak prime.

It is an emirp because it is prime and its reverse (3224491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1944223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1944323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972111 + 972112.

It is an arithmetic number, because the mean of its divisors is an integer number (972112).

2^1944223 is an apocalyptic number.

1944223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944223 is an equidigital number, since it uses as much as digits as its factorization.

1944223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1944223 is about 1394.3539722753. The cubic root of 1944223 is about 124.8098014094.

The spelling of 1944223 in words is "one million, nine hundred forty-four thousand, two hundred twenty-three".