4122215 has 4 divisors (see below), whose sum is σ = 4946664. Its totient is φ = 3297768.

The previous prime is 4122187. The next prime is 4122227. The reversal of 4122215 is 5122214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4122215 - 2⁸ = 4121959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4122193 and 4122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412217 + ... + 412226.

It is an arithmetic number, because the mean of its divisors is an integer number (1236666).

Almost surely, 2^4122215 is an apocalyptic number.

4122215 is a deficient number, since it is larger than the sum of its proper divisors (824449).

4122215 is an equidigital number, since it uses as much as digits as its factorization.

4122215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824448.

The product of its digits is 160, while the sum is 17.

The square root of 4122215 is about 2030.3238657909. The cubic root of 4122215 is about 160.3406155130.

Adding to 4122215 its reverse (5122214), we get a palindrome (9244429).

Subtracting 4122215 from its reverse (5122214), we obtain a palindrome (999999).

The spelling of 4122215 in words is "four million, one hundred twenty-two thousand, two hundred fifteen".