440220163 has 2 divisors, whose sum is σ = 440220164. Its totient is φ = 440220162.

The previous prime is 440220133. The next prime is 440220167. The reversal of 440220163 is 361022044.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440220163 - 2⁹ = 440219651 is a prime.

It is not a weakly prime, because it can be changed into another prime (440220167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220110081 + 220110082.

It is an arithmetic number, because the mean of its divisors is an integer number (220110082).

Almost surely, 2^440220163 is an apocalyptic number.

440220163 is a deficient number, since it is larger than the sum of its proper divisors (1).

440220163 is an equidigital number, since it uses as much as digits as its factorization.

440220163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 440220163 is about 20981.4242366909. The cubic root of 440220163 is about 760.7173300028.

The spelling of 440220163 in words is "four hundred forty million, two hundred twenty thousand, one hundred sixty-three".