3603444221 has 8 divisors (see below), whose sum is σ = 4084876320. Its totient is φ = 3151189872.

The previous prime is 3603444217. The next prime is 3603444223. The reversal of 3603444221 is 1224443063.

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 3603444221 - 2² = 3603444217 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 (3603444223) 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, 7294175 + ... + 7294668.

It is an arithmetic number, because the mean of its divisors is an integer number (510609540).

Almost surely, 2^3603444221 is an apocalyptic number.

It is an amenable number.

3603444221 is a deficient number, since it is larger than the sum of its proper divisors (481432099).

3603444221 is a wasteful number, since it uses less digits than its factorization.

3603444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14588875.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 3603444221 is about 60028.6949799844. The cubic root of 3603444221 is about 1533.1074754865.

Adding to 3603444221 its reverse (1224443063), we get a palindrome (4827887284).

The spelling of 3603444221 in words is "three billion, six hundred three million, four hundred forty-four thousand, two hundred twenty-one".