342215 has 4 divisors (see below), whose sum is σ = 410664. Its totient is φ = 273768.

The previous prime is 342211. The next prime is 342233. The reversal of 342215 is 512243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512243 = 137 ⋅3739.

It is a cyclic number.

It is not a de Polignac number, because 342215 - 2² = 342211 is a prime.

It is a super-2 number, since 2×342215² = 234222212450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342193 and 342202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342211) 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, 34217 + ... + 34226.

It is an arithmetic number, because the mean of its divisors is an integer number (102666).

2³⁴²²¹⁵ is an apocalyptic number.

342215 is a deficient number, since it is larger than the sum of its proper divisors (68449).

342215 is an equidigital number, since it uses as much as digits as its factorization.

342215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68448.

The product of its digits is 240, while the sum is 17.

The square root of 342215 is about 584.9914529290. The cubic root of 342215 is about 69.9465578489.

Adding to 342215 its reverse (512243), we get a palindrome (854458).

The spelling of 342215 in words is "three hundred forty-two thousand, two hundred fifteen".