3213444421 has 8 divisors (see below), whose sum is σ = 3541716864. Its totient is φ = 2891195520.

The previous prime is 3213444359. The next prime is 3213444433. The reversal of 3213444421 is 1244443123.

3213444421 is digitally balanced in base 2, because in such base 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 3213444421 - 2²⁹ = 2676573509 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 3213444421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213444491) 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, 1504765 + ... + 1506898.

It is an arithmetic number, because the mean of its divisors is an integer number (442714608).

Almost surely, 2^3213444421 is an apocalyptic number.

It is an amenable number.

3213444421 is a deficient number, since it is larger than the sum of its proper divisors (328272443).

3213444421 is a wasteful number, since it uses less digits than its factorization.

3213444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011771.

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

The square root of 3213444421 is about 56687.2509564540. The cubic root of 3213444421 is about 1475.6734522707.

Adding to 3213444421 its reverse (1244443123), we get a palindrome (4457887544).

The spelling of 3213444421 in words is "three billion, two hundred thirteen million, four hundred forty-four thousand, four hundred twenty-one".