336416221 has 2 divisors, whose sum is σ = 336416222. Its totient is φ = 336416220.

The previous prime is 336416203. The next prime is 336416233. The reversal of 336416221 is 122614633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310252996 + 26163225 = 17614^2 + 5115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-336416221 is a prime.

It is a super-2 number, since 2×336416221² = 226351747503841682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 336416221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336416251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168208110 + 168208111.

It is an arithmetic number, because the mean of its divisors is an integer number (168208111).

Almost surely, 2^336416221 is an apocalyptic number.

It is an amenable number.

336416221 is a deficient number, since it is larger than the sum of its proper divisors (1).

336416221 is an equidigital number, since it uses as much as digits as its factorization.

336416221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 336416221 is about 18341.6526245592. The cubic root of 336416221 is about 695.4922730824.

The spelling of 336416221 in words is "three hundred thirty-six million, four hundred sixteen thousand, two hundred twenty-one".