2352350221 has 8 divisors (see below), whose sum is σ = 2601768344. Its totient is φ = 2112713280.

The previous prime is 2352350213. The next prime is 2352350239. The reversal of 2352350221 is 1220532532.

It can be written as a sum of positive squares in 4 ways, for example, as 583222500 + 1769127721 = 24150^2 + 42061^2 .

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 2352350221 - 2³ = 2352350213 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 (2352350281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2444790 + ... + 2445751.

It is an arithmetic number, because the mean of its divisors is an integer number (325221043).

Almost surely, 2^2352350221 is an apocalyptic number.

It is an amenable number.

2352350221 is a deficient number, since it is larger than the sum of its proper divisors (249418123).

2352350221 is a wasteful number, since it uses less digits than its factorization.

2352350221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890591.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2352350221 is about 48501.0331951805. The cubic root of 2352350221 is about 1329.9459568747.

Adding to 2352350221 its reverse (1220532532), we get a palindrome (3572882753).

The spelling of 2352350221 in words is "two billion, three hundred fifty-two million, three hundred fifty thousand, two hundred twenty-one".