445222020626 has 8 divisors (see below), whose sum is σ = 668389098684. Its totient is φ = 222425654400.

The previous prime is 445222020577. The next prime is 445222020667. The reversal of 445222020626 is 626020222544.

It can be written as a sum of positive squares in 2 ways, for example, as 251300687401 + 193921333225 = 501299^2 + 440365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 92674955 + ... + 92679758.

Almost surely, 2^445222020626 is an apocalyptic number.

445222020626 is a deficient number, since it is larger than the sum of its proper divisors (223167078058).

445222020626 is a wasteful number, since it uses less digits than its factorization.

445222020626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185355916.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 445222020626 in words is "four hundred forty-five billion, two hundred twenty-two million, twenty thousand, six hundred twenty-six".