4220115 has 16 divisors (see below), whose sum is σ = 6779808. Its totient is φ = 2241536.

The previous prime is 4220081. The next prime is 4220137. The reversal of 4220115 is 5110224.

It is a cyclic number.

It is not a de Polignac number, because 4220115 - 2⁷ = 4219987 is a prime.

It is a super-2 number, since 2×4220115² = 35618741226450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 4220094 and 4220103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4897 + ... + 5693.

It is an arithmetic number, because the mean of its divisors is an integer number (423738).

Almost surely, 2^4220115 is an apocalyptic number.

4220115 is a deficient number, since it is larger than the sum of its proper divisors (2559693).

4220115 is a wasteful number, since it uses less digits than its factorization.

4220115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4220115 is about 2054.2918487888. The cubic root of 4220115 is about 161.6000268560.

Adding to 4220115 its reverse (5110224), we get a palindrome (9330339).

The spelling of 4220115 in words is "four million, two hundred twenty thousand, one hundred fifteen".