445422017 has 4 divisors (see below), whose sum is σ = 453826260. Its totient is φ = 437017776.

The previous prime is 445422013. The next prime is 445422067. The reversal of 445422017 is 710224544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222337921 + 223084096 = 14911^2 + 14936^2 .

It is a cyclic number.

It is not a de Polignac number, because 445422017 - 2² = 445422013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445422011) 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 in 3 ways as a sum of consecutive naturals, for example, 4202042 + ... + 4202147.

It is an arithmetic number, because the mean of its divisors is an integer number (113456565).

Almost surely, 2^445422017 is an apocalyptic number.

It is an amenable number.

445422017 is a deficient number, since it is larger than the sum of its proper divisors (8404243).

445422017 is an equidigital number, since it uses as much as digits as its factorization.

445422017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404242.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 445422017 is about 21105.0235015268. The cubic root of 445422017 is about 763.7019392542.

The spelling of 445422017 in words is "four hundred forty-five million, four hundred twenty-two thousand, seventeen".