3450013221 has 8 divisors (see below), whose sum is σ = 4633111840. Its totient is φ = 2283461712.

The previous prime is 3450013211. The next prime is 3450013253. The reversal of 3450013221 is 1223100543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3450013221 - 2⁷ = 3450013093 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 (3450013211) 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, 4136290 + ... + 4137123.

It is an arithmetic number, because the mean of its divisors is an integer number (579138980).

Almost surely, 2^3450013221 is an apocalyptic number.

It is an amenable number.

3450013221 is a deficient number, since it is larger than the sum of its proper divisors (1183098619).

3450013221 is a wasteful number, since it uses less digits than its factorization.

3450013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273555.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3450013221 is about 58736.8131668718. The cubic root of 3450013221 is about 1511.0317380512.

Adding to 3450013221 its reverse (1223100543), we get a palindrome (4673113764).

The spelling of 3450013221 in words is "three billion, four hundred fifty million, thirteen thousand, two hundred twenty-one".