4543227421 has 8 divisors (see below), whose sum is σ = 4765584384. Its totient is φ = 4322939280.

The previous prime is 4543227347. The next prime is 4543227439. The reversal of 4543227421 is 1247223454.

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 4543227421 - 2¹⁹ = 4542703133 is a prime.

It is a super-2 number, since 2×4543227421² = 41281830797852622482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543221421) 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, 512706 + ... + 521491.

It is an arithmetic number, because the mean of its divisors is an integer number (595698048).

Almost surely, 2^4543227421 is an apocalyptic number.

It is an amenable number.

4543227421 is a deficient number, since it is larger than the sum of its proper divisors (222356963).

4543227421 is a wasteful number, since it uses less digits than its factorization.

4543227421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034411.

The product of its digits is 53760, while the sum is 34.

The square root of 4543227421 is about 67403.4674256451. The cubic root of 4543227421 is about 1656.2332238842.

The spelling of 4543227421 in words is "four billion, five hundred forty-three million, two hundred twenty-seven thousand, four hundred twenty-one".