440224271 has 2 divisors, whose sum is σ = 440224272. Its totient is φ = 440224270.

The previous prime is 440224223. The next prime is 440224289. The reversal of 440224271 is 172422044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440224271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440224271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440224871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220112135 + 220112136.

It is an arithmetic number, because the mean of its divisors is an integer number (220112136).

Almost surely, 2^440224271 is an apocalyptic number.

440224271 is a deficient number, since it is larger than the sum of its proper divisors (1).

440224271 is an equidigital number, since it uses as much as digits as its factorization.

440224271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 440224271 is about 20981.5221325813. The cubic root of 440224271 is about 760.7196962559.

The spelling of 440224271 in words is "four hundred forty million, two hundred twenty-four thousand, two hundred seventy-one".