4222615 has 4 divisors (see below), whose sum is σ = 5067144. Its totient is φ = 3378088.

The previous prime is 4222601. The next prime is 4222619. The reversal of 4222615 is 5162224.

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

It is a cyclic number.

It is not a de Polignac number, because 4222615 - 2¹⁵ = 4189847 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 (4222619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422257 + ... + 422266.

It is an arithmetic number, because the mean of its divisors is an integer number (1266786).

Almost surely, 2^4222615 is an apocalyptic number.

4222615 is a deficient number, since it is larger than the sum of its proper divisors (844529).

4222615 is an equidigital number, since it uses as much as digits as its factorization.

4222615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844528.

The product of its digits is 960, while the sum is 22.

The square root of 4222615 is about 2054.9002408876. The cubic root of 4222615 is about 161.6319312249.

Adding to 4222615 its reverse (5162224), we get a palindrome (9384839).

The spelling of 4222615 in words is "four million, two hundred twenty-two thousand, six hundred fifteen".