335242221 has 4 divisors (see below), whose sum is σ = 446989632. Its totient is φ = 223494812.

The previous prime is 335242183. The next prime is 335242223. The reversal of 335242221 is 122242533.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 335242221 - 2¹¹ = 335240173 is a prime.

It is a super-2 number, since 2×335242221² = 224774693482025682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 335242191 and 335242200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335242223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55873701 + ... + 55873706.

It is an arithmetic number, because the mean of its divisors is an integer number (111747408).

Almost surely, 2^335242221 is an apocalyptic number.

It is an amenable number.

335242221 is a deficient number, since it is larger than the sum of its proper divisors (111747411).

335242221 is a wasteful number, since it uses less digits than its factorization.

335242221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111747410.

The product of its digits is 2880, while the sum is 24.

The square root of 335242221 is about 18309.6209955313. The cubic root of 335242221 is about 694.6823046373.

Adding to 335242221 its reverse (122242533), we get a palindrome (457484754).

It can be divided in two parts, 335 and 242221, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 335242221 in words is "three hundred thirty-five million, two hundred forty-two thousand, two hundred twenty-one".