4223165515 has 8 divisors (see below), whose sum is σ = 5079241008. Its totient is φ = 3370904160.

The previous prime is 4223165501. The next prime is 4223165563. The reversal of 4223165515 is 5155613224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4223165515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951096 + ... + 955525.

It is an arithmetic number, because the mean of its divisors is an integer number (634905126).

Almost surely, 2^4223165515 is an apocalyptic number.

4223165515 is a deficient number, since it is larger than the sum of its proper divisors (856075493).

4223165515 is a wasteful number, since it uses less digits than its factorization.

4223165515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907069.

The product of its digits is 36000, while the sum is 34.

The square root of 4223165515 is about 64985.8870448038. The cubic root of 4223165515 is about 1616.3895506642.

Adding to 4223165515 its reverse (5155613224), we get a palindrome (9378778739).

The spelling of 4223165515 in words is "four billion, two hundred twenty-three million, one hundred sixty-five thousand, five hundred fifteen".