2434200221 has 2 divisors, whose sum is σ = 2434200222. Its totient is φ = 2434200220.

The previous prime is 2434200203. The next prime is 2434200247. The reversal of 2434200221 is 1220024342.

2434200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2425562500 + 8637721 = 49250^2 + 2939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2434200221 - 2⁶ = 2434200157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2434200193 and 2434200202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2434200721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1217100110 + 1217100111.

It is an arithmetic number, because the mean of its divisors is an integer number (1217100111).

Almost surely, 2^2434200221 is an apocalyptic number.

It is an amenable number.

2434200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2434200221 is an equidigital number, since it uses as much as digits as its factorization.

2434200221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2434200221 is about 49337.6146667023. The cubic root of 2434200221 is about 1345.1955826377.

Adding to 2434200221 its reverse (1220024342), we get a palindrome (3654224563).

The spelling of 2434200221 in words is "two billion, four hundred thirty-four million, two hundred thousand, two hundred twenty-one".