4544232516222 has 16 divisors (see below), whose sum is σ = 10386817180032. Its totient is φ = 1298352147480.

The previous prime is 4544232516211. The next prime is 4544232516223. The reversal of 4544232516222 is 2226152324454.

It is a super-2 number, since 2×4544232516222² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 108196012291 = 4544232516222 / (4 + 5 + 4 + 4 + 2 + 3 + 2 + 5 + 1 + 6 + 2 + 2 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544232516223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54098006104 + ... + 54098006187.

It is an arithmetic number, because the mean of its divisors is an integer number (649176073752).

Almost surely, 2^{4544232516222} is an apocalyptic number.

4544232516222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4544232516222 is an abundant number, since it is smaller than the sum of its proper divisors (5842584663810).

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

4544232516222 is a wasteful number, since it uses less digits than its factorization.

4544232516222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108196012303.

The product of its digits is 921600, while the sum is 42.

The spelling of 4544232516222 in words is "four trillion, five hundred forty-four billion, two hundred thirty-two million, five hundred sixteen thousand, two hundred twenty-two".