4661222516 has 24 divisors (see below), whose sum is σ = 8241294600. Its totient is φ = 2306691072.

The previous prime is 4661222513. The next prime is 4661222539. The reversal of 4661222516 is 6152221664.

It can be written as a sum of positive squares in 4 ways, for example, as 295977616 + 4365244900 = 17204^2 + 66070^2 .

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136760 + ... + 167408.

It is an arithmetic number, because the mean of its divisors is an integer number (343387275).

Almost surely, 2^4661222516 is an apocalyptic number.

It is an amenable number.

4661222516 is a deficient number, since it is larger than the sum of its proper divisors (3580072084).

4661222516 is a wasteful number, since it uses less digits than its factorization.

4661222516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31043 (or 31041 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 4661222516 is about 68273.1463754235. The cubic root of 4661222516 is about 1670.4492219023.

The spelling of 4661222516 in words is "four billion, six hundred sixty-one million, two hundred twenty-two thousand, five hundred sixteen".