4032243221 has 4 divisors (see below), whose sum is σ = 4049851500. Its totient is φ = 4014634944.

The previous prime is 4032243217. The next prime is 4032243227. The reversal of 4032243221 is 1223422304.

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 1790220721 + 2242022500 = 42311^2 + 47350^2 .

It is a cyclic number.

It is not a de Polignac number, because 4032243221 - 2² = 4032243217 is a prime.

It is a super-3 number, since 3×4032243221³ (a number of 30 digits) contains 333 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 (4032243227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8803796 + ... + 8804253.

It is an arithmetic number, because the mean of its divisors is an integer number (1012462875).

Almost surely, 2^4032243221 is an apocalyptic number.

It is an amenable number.

4032243221 is a deficient number, since it is larger than the sum of its proper divisors (17608279).

4032243221 is a wasteful number, since it uses less digits than its factorization.

4032243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608278.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4032243221 is about 63499.9466220248. The cubic root of 4032243221 is about 1591.6548861617.

Adding to 4032243221 its reverse (1223422304), we get a palindrome (5255665525).

The spelling of 4032243221 in words is "four billion, thirty-two million, two hundred forty-three thousand, two hundred twenty-one".