4661222515 has 4 divisors (see below), whose sum is σ = 5593467024. Its totient is φ = 3728978008.

The previous prime is 4661222513. The next prime is 4661222539. The reversal of 4661222515 is 5152221664.

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 4661222515 - 2¹ = 4661222513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4661222513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466122247 + ... + 466122256.

It is an arithmetic number, because the mean of its divisors is an integer number (1398366756).

Almost surely, 2^4661222515 is an apocalyptic number.

4661222515 is a deficient number, since it is larger than the sum of its proper divisors (932244509).

4661222515 is an equidigital number, since it uses as much as digits as its factorization.

4661222515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932244508.

The product of its digits is 28800, while the sum is 34.

The square root of 4661222515 is about 68273.1463681000. The cubic root of 4661222515 is about 1670.4492217828.

The spelling of 4661222515 in words is "four billion, six hundred sixty-one million, two hundred twenty-two thousand, five hundred fifteen".