444565222565444 has 24 divisors (see below), whose sum is σ = 788949344066688. Its totient is φ = 219151144983680.

The previous prime is 444565222565417. The next prime is 444565222565489.

It is a happy number.

444565222565444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×444565222565444² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89073569 + ... + 93932055.

It is an arithmetic number, because the mean of its divisors is an integer number (32872889336112).

Almost surely, 2^{444565222565444} is an apocalyptic number.

It is an amenable number.

444565222565444 is a deficient number, since it is larger than the sum of its proper divisors (344384121501244).

444565222565444 is a wasteful number, since it uses less digits than its factorization.

444565222565444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180755 (or 5180753 counting only the distinct ones).

The product of its digits is 737280000, while the sum is 62.

The spelling of 444565222565444 in words is "four hundred forty-four trillion, five hundred sixty-five billion, two hundred twenty-two million, five hundred sixty-five thousand, four hundred forty-four".