4420215 has 12 divisors (see below), whose sum is σ = 7661784. Its totient is φ = 2357424.

The previous prime is 4420189. The next prime is 4420219. The reversal of 4420215 is 5120244.

It is not a de Polignac number, because 4420215 - 2⁵ = 4420183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420219) by changing a digit.

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, 49069 + ... + 49158.

It is an arithmetic number, because the mean of its divisors is an integer number (638482).

Almost surely, 2^4420215 is an apocalyptic number.

4420215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4420215 is a deficient number, since it is larger than the sum of its proper divisors (3241569).

4420215 is a wasteful number, since it uses less digits than its factorization.

4420215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98238 (or 98235 counting only the distinct ones).

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

The square root of 4420215 is about 2102.4307360767. The cubic root of 4420215 is about 164.1148189602.

Adding to 4420215 its reverse (5120244), we get a palindrome (9540459).

The spelling of 4420215 in words is "four million, four hundred twenty thousand, two hundred fifteen".