5166221222 has 48 divisors (see below), whose sum is σ = 8632496160. Its totient is φ = 2313940992.

The previous prime is 5166221219. The next prime is 5166221233. The reversal of 5166221222 is 2221226615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3043478 + ... + 3045174.

It is an arithmetic number, because the mean of its divisors is an integer number (179843670).

Almost surely, 2^5166221222 is an apocalyptic number.

5166221222 is a deficient number, since it is larger than the sum of its proper divisors (3466274938).

5166221222 is a wasteful number, since it uses less digits than its factorization.

5166221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1968 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 5166221222 is about 71876.4302257701. The cubic root of 5166221222 is about 1728.7187124742.

Adding to 5166221222 its reverse (2221226615), we get a palindrome (7387447837).

The spelling of 5166221222 in words is "five billion, one hundred sixty-six million, two hundred twenty-one thousand, two hundred twenty-two".