4220015 has 8 divisors (see below), whose sum is σ = 5093088. Its totient is φ = 3356640.

The previous prime is 4219991. The next prime is 4220039. The reversal of 4220015 is 5100224.

It is an interprime number because it is at equal distance from previous prime (4219991) and next prime (4220039).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4220015 - 2⁶ = 4219951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (636636).

Almost surely, 2^4220015 is an apocalyptic number.

4220015 is a deficient number, since it is larger than the sum of its proper divisors (873073).

4220015 is a wasteful number, since it uses less digits than its factorization.

4220015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4220015 is about 2054.2675093570. The cubic root of 4220015 is about 161.5987504192.

Adding to 4220015 its reverse (5100224), we get a palindrome (9320239).

The spelling of 4220015 in words is "four million, two hundred twenty thousand, fifteen".