4544223321 has 32 divisors (see below), whose sum is σ = 6974760960. Its totient is φ = 2604694400.

The previous prime is 4544223317. The next prime is 4544223329. The reversal of 4544223321 is 1233224454.

It is not a de Polignac number, because 4544223321 - 2² = 4544223317 is a prime.

It is a super-2 number, since 2×4544223321² = 41299931182240538082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4544223329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33916 + ... + 101186.

It is an arithmetic number, because the mean of its divisors is an integer number (217961280).

Almost surely, 2^4544223321 is an apocalyptic number.

It is an amenable number.

4544223321 is a deficient number, since it is larger than the sum of its proper divisors (2430537639).

4544223321 is a wasteful number, since it uses less digits than its factorization.

4544223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67397.

The product of its digits is 23040, while the sum is 30.

The square root of 4544223321 is about 67410.8546229760. The cubic root of 4544223321 is about 1656.3542334667.

Adding to 4544223321 its reverse (1233224454), we get a palindrome (5777447775).

The spelling of 4544223321 in words is "four billion, five hundred forty-four million, two hundred twenty-three thousand, three hundred twenty-one".