2433342221 has 2 divisors, whose sum is σ = 2433342222. Its totient is φ = 2433342220.

The previous prime is 2433342211. The next prime is 2433342253. The reversal of 2433342221 is 1222433342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1986484900 + 446857321 = 44570^2 + 21139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2433342221 - 2⁶ = 2433342157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2433342211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1216671110 + 1216671111.

It is an arithmetic number, because the mean of its divisors is an integer number (1216671111).

Almost surely, 2^2433342221 is an apocalyptic number.

It is an amenable number.

2433342221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2433342221 is an equidigital number, since it uses as much as digits as its factorization.

2433342221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 26.

The square root of 2433342221 is about 49328.9187090088. The cubic root of 2433342221 is about 1345.0375138213.

Adding to 2433342221 its reverse (1222433342), we get a palindrome (3655775563).

The spelling of 2433342221 in words is "two billion, four hundred thirty-three million, three hundred forty-two thousand, two hundred twenty-one".