162215 has 4 divisors (see below), whose sum is σ = 194664. Its totient is φ = 129768.

The previous prime is 162209. The next prime is 162221. The reversal of 162215 is 512261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512261 = 17 ⋅30133.

It is an interprime number because it is at equal distance from previous prime (162209) and next prime (162221).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162215 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162193 and 162202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16217 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (48666).

2¹⁶²²¹⁵ is an apocalyptic number.

162215 is a deficient number, since it is larger than the sum of its proper divisors (32449).

162215 is an equidigital number, since it uses as much as digits as its factorization.

162215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32448.

The product of its digits is 120, while the sum is 17.

The square root of 162215 is about 402.7592332896. The cubic root of 162215 is about 54.5377232308.

Adding to 162215 its reverse (512261), we get a palindrome (674476).

The spelling of 162215 in words is "one hundred sixty-two thousand, two hundred fifteen".