4223015 has 4 divisors (see below), whose sum is σ = 5067624. Its totient is φ = 3378408.

The previous prime is 4223003. The next prime is 4223027. The reversal of 4223015 is 5103224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4223003) and next prime (4223027).

It is a cyclic number.

It is not a de Polignac number, because 4223015 - 2⁸ = 4222759 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 4222984 and 4223002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422297 + ... + 422306.

It is an arithmetic number, because the mean of its divisors is an integer number (1266906).

Almost surely, 2^4223015 is an apocalyptic number.

4223015 is a deficient number, since it is larger than the sum of its proper divisors (844609).

4223015 is an equidigital number, since it uses as much as digits as its factorization.

4223015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844608.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4223015 is about 2054.9975669085. The cubic root of 4223015 is about 161.6370347552.

Adding to 4223015 its reverse (5103224), we get a palindrome (9326239).

The spelling of 4223015 in words is "four million, two hundred twenty-three thousand, fifteen".