342535221 has 24 divisors (see below), whose sum is σ = 569073024. Its totient is φ = 194482080.

The previous prime is 342535181. The next prime is 342535247. The reversal of 342535221 is 122535243.

It is a happy number.

It is not a de Polignac number, because 342535221 - 2²² = 338340917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342535121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7425 + ... + 27206.

It is an arithmetic number, because the mean of its divisors is an integer number (23711376).

Almost surely, 2^342535221 is an apocalyptic number.

It is an amenable number.

342535221 is a deficient number, since it is larger than the sum of its proper divisors (226537803).

342535221 is a wasteful number, since it uses less digits than its factorization.

342535221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34801 (or 34798 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 342535221 is about 18507.7070702991. The cubic root of 342535221 is about 699.6836808914.

The spelling of 342535221 in words is "three hundred forty-two million, five hundred thirty-five thousand, two hundred twenty-one".