355041221 has 8 divisors (see below), whose sum is σ = 358412160. Its totient is φ = 351685152.

The previous prime is 355041217. The next prime is 355041227. The reversal of 355041221 is 122140553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355041221 - 2² = 355041217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355041227) 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 in 7 ways as a sum of consecutive naturals, for example, 47540 + ... + 54498.

It is an arithmetic number, because the mean of its divisors is an integer number (44801520).

Almost surely, 2^355041221 is an apocalyptic number.

It is an amenable number.

355041221 is a deficient number, since it is larger than the sum of its proper divisors (3370939).

355041221 is a wasteful number, since it uses less digits than its factorization.

355041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 355041221 is about 18842.5375414247. The cubic root of 355041221 is about 708.0972800087.

Adding to 355041221 its reverse (122140553), we get a palindrome (477181774).

The spelling of 355041221 in words is "three hundred fifty-five million, forty-one thousand, two hundred twenty-one".