445766221346722 has 32 divisors (see below), whose sum is σ = 673952732631360. Its totient is φ = 221122363392000.

The previous prime is 445766221346689. The next prime is 445766221346723. The reversal of 445766221346722 is 227643122667544.

It is not an unprimeable number, because it can be changed into a prime (445766221346723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4116395554 + ... + 4116503842.

It is an arithmetic number, because the mean of its divisors is an integer number (21061022894730).

Almost surely, 2^{445766221346722} is an apocalyptic number.

445766221346722 is a deficient number, since it is larger than the sum of its proper divisors (228186511284638).

445766221346722 is a wasteful number, since it uses less digits than its factorization.

445766221346722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140706.

The product of its digits is 162570240, while the sum is 61.

The spelling of 445766221346722 in words is "four hundred forty-five trillion, seven hundred sixty-six billion, two hundred twenty-one million, three hundred forty-six thousand, seven hundred twenty-two".