4365221881 has 8 divisors (see below), whose sum is σ = 4448602944. Its totient is φ = 4281878640.

The previous prime is 4365221873. The next prime is 4365221909. The reversal of 4365221881 is 1881225634.

4365221881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4365221881 - 2³ = 4365221873 is a prime.

It is a super-2 number, since 2×4365221881² = 38110324140722356322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4365221831) 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, 358170 + ... + 370156.

It is an arithmetic number, because the mean of its divisors is an integer number (556075368).

Almost surely, 2^4365221881 is an apocalyptic number.

It is an amenable number.

4365221881 is a deficient number, since it is larger than the sum of its proper divisors (83381063).

4365221881 is a wasteful number, since it uses less digits than its factorization.

4365221881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18911.

The product of its digits is 92160, while the sum is 40.

The square root of 4365221881 is about 66069.8257981660. The cubic root of 4365221881 is about 1634.3137747519.

The spelling of 4365221881 in words is "four billion, three hundred sixty-five million, two hundred twenty-one thousand, eight hundred eighty-one".