335337221 has 2 divisors, whose sum is σ = 335337222. Its totient is φ = 335337220.

The previous prime is 335337209. The next prime is 335337241. The reversal of 335337221 is 122733533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335073025 + 264196 = 18305^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 335337221 - 2⁶ = 335337157 is a prime.

It is a super-2 number, since 2×335337221² = 224902103576005682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (335337241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167668610 + 167668611.

It is an arithmetic number, because the mean of its divisors is an integer number (167668611).

Almost surely, 2^335337221 is an apocalyptic number.

It is an amenable number.

335337221 is a deficient number, since it is larger than the sum of its proper divisors (1).

335337221 is an equidigital number, since it uses as much as digits as its factorization.

335337221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 29.

The square root of 335337221 is about 18312.2150762817. The cubic root of 335337221 is about 694.7479174808.

The spelling of 335337221 in words is "three hundred thirty-five million, three hundred thirty-seven thousand, two hundred twenty-one".