4220415 has 12 divisors (see below), whose sum is σ = 7315464. Its totient is φ = 2250864.

The previous prime is 4220393. The next prime is 4220423. The reversal of 4220415 is 5140224.

It is not a de Polignac number, because 4220415 - 2⁶ = 4220351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46849 + ... + 46938.

It is an arithmetic number, because the mean of its divisors is an integer number (609622).

Almost surely, 2^4220415 is an apocalyptic number.

4220415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4220415 is a deficient number, since it is larger than the sum of its proper divisors (3095049).

4220415 is a wasteful number, since it uses less digits than its factorization.

4220415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93798 (or 93795 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4220415 is about 2054.3648653538. The cubic root of 4220415 is about 161.6038560455.

Adding to 4220415 its reverse (5140224), we get a palindrome (9360639).

The spelling of 4220415 in words is "four million, two hundred twenty thousand, four hundred fifteen".