4522222441566 has 80 divisors (see below), whose sum is σ = 10732273247520. Its totient is φ = 1418329336320.

The previous prime is 4522222441559. The next prime is 4522222441577. The reversal of 4522222441566 is 6651442222254.

4522222441566 is a `hidden beast` number, since 4 + 5 + 2 + 2 + 2 + 224 + 415 + 6 + 6 = 666.

It is a super-2 number, since 2×4522222441566² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9435450 + ... + 9903138.

It is an arithmetic number, because the mean of its divisors is an integer number (134153415594).

Almost surely, 2^{4522222441566} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4522222441566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5366136623760).

4522222441566 is an abundant number, since it is smaller than the sum of its proper divisors (6210050805954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4522222441566 is a wasteful number, since it uses less digits than its factorization.

4522222441566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471231 (or 471222 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 45.

The spelling of 4522222441566 in words is "four trillion, five hundred twenty-two billion, two hundred twenty-two million, four hundred forty-one thousand, five hundred sixty-six".