4345224121 has 8 divisors (see below), whose sum is σ = 5015139264. Its totient is φ = 3687601200.

The previous prime is 4345224113. The next prime is 4345224137. The reversal of 4345224121 is 1214225434.

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 4345224121 - 2³ = 4345224113 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 4345224121.

It is not an unprimeable number, because it can be changed into a prime (4345224161) 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, 3072295 + ... + 3073708.

It is an arithmetic number, because the mean of its divisors is an integer number (626892408).

Almost surely, 2^4345224121 is an apocalyptic number.

It is an amenable number.

4345224121 is a deficient number, since it is larger than the sum of its proper divisors (669915143).

4345224121 is a wasteful number, since it uses less digits than its factorization.

4345224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146111.

The product of its digits is 7680, while the sum is 28.

The square root of 4345224121 is about 65918.3140030144. The cubic root of 4345224121 is about 1631.8142721699.

Adding to 4345224121 its reverse (1214225434), we get a palindrome (5559449555).

The spelling of 4345224121 in words is "four billion, three hundred forty-five million, two hundred twenty-four thousand, one hundred twenty-one".