944638223 has 2 divisors, whose sum is σ = 944638224. Its totient is φ = 944638222.

The previous prime is 944638217. The next prime is 944638241. The reversal of 944638223 is 322836449.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 944638223 - 2⁴ = 944638207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944638273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472319111 + 472319112.

It is an arithmetic number, because the mean of its divisors is an integer number (472319112).

Almost surely, 2^944638223 is an apocalyptic number.

944638223 is a deficient number, since it is larger than the sum of its proper divisors (1).

944638223 is an equidigital number, since it uses as much as digits as its factorization.

944638223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The square root of 944638223 is about 30734.9674312500. The cubic root of 944638223 is about 981.1946499240.

The spelling of 944638223 in words is "nine hundred forty-four million, six hundred thirty-eight thousand, two hundred twenty-three".