4223615 has 16 divisors (see below), whose sum is σ = 5666976. Its totient is φ = 2995200.

The previous prime is 4223563. The next prime is 4223617. The reversal of 4223615 is 5163224.

It is not a de Polignac number, because 4223615 - 2⁶ = 4223551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (354186).

Almost surely, 2^4223615 is an apocalyptic number.

4223615 is a deficient number, since it is larger than the sum of its proper divisors (1443361).

4223615 is a wasteful number, since it uses less digits than its factorization.

4223615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930.

The product of its digits is 1440, while the sum is 23.

The square root of 4223615 is about 2055.1435472979. The cubic root of 4223615 is about 161.6446894465.

Adding to 4223615 its reverse (5163224), we get a palindrome (9386839).

The spelling of 4223615 in words is "four million, two hundred twenty-three thousand, six hundred fifteen".