2430143221 has 8 divisors (see below), whose sum is σ = 2652801984. Its totient is φ = 2207773920.

The previous prime is 2430143197. The next prime is 2430143273. The reversal of 2430143221 is 1223410342.

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

It is not a de Polignac number, because 2430143221 - 2²³ = 2421754613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2430143192 and 2430143201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430143921) 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, 54616 + ... + 88561.

It is an arithmetic number, because the mean of its divisors is an integer number (331600248).

Almost surely, 2^2430143221 is an apocalyptic number.

It is an amenable number.

2430143221 is a deficient number, since it is larger than the sum of its proper divisors (222658763).

2430143221 is a wasteful number, since it uses less digits than its factorization.

2430143221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144731.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2430143221 is about 49296.4828461423. The cubic root of 2430143221 is about 1344.4478362577.

Adding to 2430143221 its reverse (1223410342), we get a palindrome (3653553563).

The spelling of 2430143221 in words is "two billion, four hundred thirty million, one hundred forty-three thousand, two hundred twenty-one".