336855221 has 12 divisors (see below), whose sum is σ = 366576420. Its totient is φ = 309296640.

The previous prime is 336855209. The next prime is 336855283. The reversal of 336855221 is 122558633.

It can be written as a sum of positive squares in 6 ways, for example, as 1562500 + 335292721 = 1250^2 + 18311^2 .

It is not a de Polignac number, because 336855221 - 2¹⁴ = 336838837 is a prime.

It is a super-2 number, since 2×336855221² = 226942879829917682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336855521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2366 + ... + 26063.

It is an arithmetic number, because the mean of its divisors is an integer number (30548035).

Almost surely, 2^336855221 is an apocalyptic number.

It is an amenable number.

336855221 is a deficient number, since it is larger than the sum of its proper divisors (29721199).

336855221 is a wasteful number, since it uses less digits than its factorization.

336855221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28504 (or 28487 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 336855221 is about 18353.6160197385. The cubic root of 336855221 is about 695.7946647601.

The spelling of 336855221 in words is "three hundred thirty-six million, eight hundred fifty-five thousand, two hundred twenty-one".