342493221 has 32 divisors (see below), whose sum is σ = 551577600. Its totient is φ = 184662720.

The previous prime is 342493199. The next prime is 342493243. The reversal of 342493221 is 122394243.

It is an interprime number because it is at equal distance from previous prime (342493199) and next prime (342493243).

It is not a de Polignac number, because 342493221 - 2¹⁹ = 341968933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342491221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105736 + ... + 108926.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2^342493221 is an apocalyptic number.

It is an amenable number.

342493221 is a deficient number, since it is larger than the sum of its proper divisors (209084379).

342493221 is a wasteful number, since it uses less digits than its factorization.

342493221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its digits is 10368, while the sum is 30.

The square root of 342493221 is about 18506.5723730787. The cubic root of 342493221 is about 699.6550824544.

The spelling of 342493221 in words is "three hundred forty-two million, four hundred ninety-three thousand, two hundred twenty-one".