4423215 has 16 divisors (see below), whose sum is σ = 7134336. Its totient is φ = 2340000.

The previous prime is 4423207. The next prime is 4423231. The reversal of 4423215 is 5123244.

It is not a de Polignac number, because 4423215 - 2³ = 4423207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4423191 and 4423200.

It is a congruent number.

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, 840 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (445896).

Almost surely, 2^4423215 is an apocalyptic number.

4423215 is a deficient number, since it is larger than the sum of its proper divisors (2711121).

4423215 is a wasteful number, since it uses less digits than its factorization.

4423215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390.

The product of its digits is 960, while the sum is 21.

The square root of 4423215 is about 2103.1440749506. The cubic root of 4423215 is about 164.1519388072.

Adding to 4423215 its reverse (5123244), we get a palindrome (9546459).

The spelling of 4423215 in words is "four million, four hundred twenty-three thousand, two hundred fifteen".