4532303221 has 4 divisors (see below), whose sum is σ = 4642847244. Its totient is φ = 4421759200.

The previous prime is 4532303219. The next prime is 4532303267. The reversal of 4532303221 is 1223032354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1519830225 + 3012472996 = 38985^2 + 54886^2 .

It is a cyclic number.

It is not a de Polignac number, because 4532303221 - 2¹ = 4532303219 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 (4532303291) 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 3 ways as a sum of consecutive naturals, for example, 55271950 + ... + 55272031.

It is an arithmetic number, because the mean of its divisors is an integer number (1160711811).

Almost surely, 2^4532303221 is an apocalyptic number.

4532303221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4532303221 is a deficient number, since it is larger than the sum of its proper divisors (110544023).

4532303221 is a wasteful number, since it uses less digits than its factorization.

4532303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110544022.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 4532303221 is about 67322.3827638327. The cubic root of 4532303221 is about 1654.9046863872.

Adding to 4532303221 its reverse (1223032354), we get a palindrome (5755335575).

The spelling of 4532303221 in words is "four billion, five hundred thirty-two million, three hundred three thousand, two hundred twenty-one".