4213215 has 40 divisors (see below), whose sum is σ = 7701408. Its totient is φ = 2203200.

The previous prime is 4213199. The next prime is 4213217. The reversal of 4213215 is 5123124.

4213215 = T₅₁ + T₅₂ + ... + T₂₉₃.

It is not a de Polignac number, because 4213215 - 2⁴ = 4213199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213217) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 40854 + ... + 40956.

Almost surely, 2^4213215 is an apocalyptic number.

4213215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4213215 is a deficient number, since it is larger than the sum of its proper divisors (3488193).

4213215 is a wasteful number, since it uses less digits than its factorization.

4213215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 212 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 4213215 is about 2052.6117509164. The cubic root of 4213215 is about 161.5119053677.

Adding to 4213215 its reverse (5123124), we get a palindrome (9336339).

Subtracting 4213215 from its reverse (5123124), we obtain a palindrome (909909).

The spelling of 4213215 in words is "four million, two hundred thirteen thousand, two hundred fifteen".