4224244384581 has 16 divisors (see below), whose sum is σ = 6065646315456. Its totient is φ = 2599507305216.

The previous prime is 4224244384553. The next prime is 4224244384643. The reversal of 4224244384581 is 1854834424224.

It is not a de Polignac number, because 4224244384581 - 2³¹ = 4222096900933 is a prime.

It is a super-2 number, since 2×4224244384581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224244184581) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3493101 + ... + 4544253.

It is an arithmetic number, because the mean of its divisors is an integer number (379102894716).

Almost surely, 2^{4224244384581} is an apocalyptic number.

It is an amenable number.

4224244384581 is a deficient number, since it is larger than the sum of its proper divisors (1841401930875).

4224244384581 is a wasteful number, since it uses less digits than its factorization.

4224244384581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154212.

The product of its digits is 7864320, while the sum is 51.

The spelling of 4224244384581 in words is "four trillion, two hundred twenty-four billion, two hundred forty-four million, three hundred eighty-four thousand, five hundred eighty-one".