2303434221 has 16 divisors (see below), whose sum is σ = 3351360000. Its totient is φ = 1395641520.

The previous prime is 2303434213. The next prime is 2303434241. The reversal of 2303434221 is 1224343032.

It is not a de Polignac number, because 2303434221 - 2³ = 2303434213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2303434191 and 2303434200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303434241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157986 + ... + 171948.

It is an arithmetic number, because the mean of its divisors is an integer number (209460000).

Almost surely, 2^2303434221 is an apocalyptic number.

It is an amenable number.

2303434221 is a deficient number, since it is larger than the sum of its proper divisors (1047925779).

2303434221 is a wasteful number, since it uses less digits than its factorization.

2303434221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18976.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2303434221 is about 47994.1061068961. The cubic root of 2303434221 is about 1320.6627795327.

Adding to 2303434221 its reverse (1224343032), we get a palindrome (3527777253).

The spelling of 2303434221 in words is "two billion, three hundred three million, four hundred thirty-four thousand, two hundred twenty-one".