4432230421 has 8 divisors (see below), whose sum is σ = 4542615000. Its totient is φ = 4321954560.

The previous prime is 4432230379. The next prime is 4432230443. The reversal of 4432230421 is 1240322344.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 773674225 + 3658556196 = 27815^2 + 60486^2 .

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 4432230421 - 2⁹ = 4432229909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4432230221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58705 + ... + 110953.

It is an arithmetic number, because the mean of its divisors is an integer number (567826875).

Almost surely, 2^4432230421 is an apocalyptic number.

4432230421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4432230421 is a deficient number, since it is larger than the sum of its proper divisors (110384579).

4432230421 is a wasteful number, since it uses less digits than its factorization.

4432230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54359.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4432230421 is about 66574.9984678933. The cubic root of 4432230421 is about 1642.6338824893.

Adding to 4432230421 its reverse (1240322344), we get a palindrome (5672552765).

The spelling of 4432230421 in words is "four billion, four hundred thirty-two million, two hundred thirty thousand, four hundred twenty-one".