744822223 has 4 divisors (see below), whose sum is σ = 744891048. Its totient is φ = 744753400.

The previous prime is 744822209. The next prime is 744822251. The reversal of 744822223 is 322228447.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 322228447 = 709 ⋅454483.

It is a cyclic number.

It is not a de Polignac number, because 744822223 - 2⁹ = 744821711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744822293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14236 + ... + 41137.

It is an arithmetic number, because the mean of its divisors is an integer number (186222762).

Almost surely, 2^744822223 is an apocalyptic number.

744822223 is a deficient number, since it is larger than the sum of its proper divisors (68825).

744822223 is a wasteful number, since it uses less digits than its factorization.

744822223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68824.

The product of its digits is 43008, while the sum is 34.

The square root of 744822223 is about 27291.4313109445. The cubic root of 744822223 is about 906.4646563862.

The spelling of 744822223 in words is "seven hundred forty-four million, eight hundred twenty-two thousand, two hundred twenty-three".