342366221 has 8 divisors (see below), whose sum is σ = 349512600. Its totient is φ = 335269440.

The previous prime is 342366161. The next prime is 342366229. The reversal of 342366221 is 122663243.

It can be written as a sum of positive squares in 4 ways, for example, as 109956196 + 232410025 = 10486^2 + 15245^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342366221 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 (342366229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715 + ... + 26223.

It is an arithmetic number, because the mean of its divisors is an integer number (43689075).

Almost surely, 2^342366221 is an apocalyptic number.

It is an amenable number.

342366221 is a deficient number, since it is larger than the sum of its proper divisors (7146379).

342366221 is a wasteful number, since it uses less digits than its factorization.

342366221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24799.

The product of its digits is 10368, while the sum is 29.

The square root of 342366221 is about 18503.1408414896. The cubic root of 342366221 is about 699.5685920022.

The spelling of 342366221 in words is "three hundred forty-two million, three hundred sixty-six thousand, two hundred twenty-one".