4033241221 has 4 divisors (see below), whose sum is σ = 4119054912. Its totient is φ = 3947427532.

The previous prime is 4033241197. The next prime is 4033241263. The reversal of 4033241221 is 1221423304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4033241221 - 2¹¹ = 4033239173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4033241192 and 4033241201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4033221221) 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 3 ways as a sum of consecutive naturals, for example, 42906775 + ... + 42906868.

It is an arithmetic number, because the mean of its divisors is an integer number (1029763728).

Almost surely, 2^4033241221 is an apocalyptic number.

It is an amenable number.

4033241221 is a deficient number, since it is larger than the sum of its proper divisors (85813691).

4033241221 is an equidigital number, since it uses as much as digits as its factorization.

4033241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85813690.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4033241221 is about 63507.8044101668. The cubic root of 4033241221 is about 1591.7861894632.

Adding to 4033241221 its reverse (1221423304), we get a palindrome (5254664525).

The spelling of 4033241221 in words is "four billion, thirty-three million, two hundred forty-one thousand, two hundred twenty-one".