2345352221 has 8 divisors (see below), whose sum is σ = 2359425024. Its totient is φ = 2331298480.

The previous prime is 2345352211. The next prime is 2345352223. The reversal of 2345352221 is 1222535432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345352221 is a prime.

It is a super-3 number, since 3×2345352221³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345352223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298475 + ... + 306231.

It is an arithmetic number, because the mean of its divisors is an integer number (294928128).

Almost surely, 2^2345352221 is an apocalyptic number.

It is an amenable number.

2345352221 is a deficient number, since it is larger than the sum of its proper divisors (14072803).

2345352221 is a wasteful number, since it uses less digits than its factorization.

2345352221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531.

The product of its digits is 14400, while the sum is 29.

The square root of 2345352221 is about 48428.8366678367. The cubic root of 2345352221 is about 1328.6258294419.

Adding to 2345352221 its reverse (1222535432), we get a palindrome (3567887653).

The spelling of 2345352221 in words is "two billion, three hundred forty-five million, three hundred fifty-two thousand, two hundred twenty-one".