440622225971 has 2 divisors, whose sum is σ = 440622225972. Its totient is φ = 440622225970.

The previous prime is 440622225947. The next prime is 440622226021. The reversal of 440622225971 is 179522226044.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440622225971 is a prime.

It is not a weakly prime, because it can be changed into another prime (440622225941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220311112985 + 220311112986.

It is an arithmetic number, because the mean of its divisors is an integer number (220311112986).

Almost surely, 2^440622225971 is an apocalyptic number.

440622225971 is a deficient number, since it is larger than the sum of its proper divisors (1).

440622225971 is an equidigital number, since it uses as much as digits as its factorization.

440622225971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 440622225971 in words is "four hundred forty billion, six hundred twenty-two million, two hundred twenty-five thousand, nine hundred seventy-one".