334442244421 has 2 divisors, whose sum is σ = 334442244422. Its totient is φ = 334442244420.

The previous prime is 334442244379. The next prime is 334442244439. The reversal of 334442244421 is 124442244433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308564696196 + 25877548225 = 555486^2 + 160865^2 .

It is a cyclic number.

It is not a de Polignac number, because 334442244421 - 2²⁷ = 334308026693 is a prime.

It is a super-2 number, since 2×334442244421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334442244491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167221122210 + 167221122211.

It is an arithmetic number, because the mean of its divisors is an integer number (167221122211).

Almost surely, 2^334442244421 is an apocalyptic number.

It is an amenable number.

334442244421 is a deficient number, since it is larger than the sum of its proper divisors (1).

334442244421 is an equidigital number, since it uses as much as digits as its factorization.

334442244421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 37.

Adding to 334442244421 its reverse (124442244433), we get a palindrome (458884488854).

The spelling of 334442244421 in words is "three hundred thirty-four billion, four hundred forty-two million, two hundred forty-four thousand, four hundred twenty-one".