3604224421 has 8 divisors (see below), whose sum is σ = 4121469440. Its totient is φ = 3087568368.

The previous prime is 3604224389. The next prime is 3604224473. The reversal of 3604224421 is 1244224063.

3604224421 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 3604224421 - 2⁵ = 3604224389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3604224421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3604222421) 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, 134046 + ... + 158671.

It is an arithmetic number, because the mean of its divisors is an integer number (515183680).

Almost surely, 2^3604224421 is an apocalyptic number.

It is an amenable number.

3604224421 is a deficient number, since it is larger than the sum of its proper divisors (517245019).

3604224421 is a wasteful number, since it uses less digits than its factorization.

3604224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294483.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 3604224421 is about 60035.1931869966. The cubic root of 3604224421 is about 1533.2181144625.

Adding to 3604224421 its reverse (1244224063), we get a palindrome (4848448484).

The spelling of 3604224421 in words is "three billion, six hundred four million, two hundred twenty-four thousand, four hundred twenty-one".