4651222015 has 32 divisors (see below), whose sum is σ = 6473053440. Its totient is φ = 3170880000.

The previous prime is 4651221997. The next prime is 4651222019. The reversal of 4651222015 is 5102221564.

It is not a de Polignac number, because 4651222015 - 2⁹ = 4651221503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4651222019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224776 + ... + 244594.

It is an arithmetic number, because the mean of its divisors is an integer number (202282920).

Almost surely, 2^4651222015 is an apocalyptic number.

4651222015 is a deficient number, since it is larger than the sum of its proper divisors (1821831425).

4651222015 is a wasteful number, since it uses less digits than its factorization.

4651222015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20103.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 4651222015 is about 68199.8681450338. The cubic root of 4651222015 is about 1669.2537350795.

Adding to 4651222015 its reverse (5102221564), we get a palindrome (9753443579).

The spelling of 4651222015 in words is "four billion, six hundred fifty-one million, two hundred twenty-two thousand, fifteen".