616115222 has 8 divisors (see below), whose sum is σ = 925672536. Its totient is φ = 307557712.

The previous prime is 616115221. The next prime is 616115243. The reversal of 616115222 is 222511616.

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

It is a junction number, because it is equal to n+sod(n) for n = 616115191 and 616115200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616115221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248408 + ... + 250875.

It is an arithmetic number, because the mean of its divisors is an integer number (115709067).

Almost surely, 2^616115222 is an apocalyptic number.

616115222 is a deficient number, since it is larger than the sum of its proper divisors (309557314).

616115222 is a wasteful number, since it uses less digits than its factorization.

616115222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499902.

The product of its digits is 1440, while the sum is 26.

The square root of 616115222 is about 24821.6683967859. The cubic root of 616115222 is about 850.9172207285.

Adding to 616115222 its reverse (222511616), we get a palindrome (838626838).

It can be divided in two parts, 616115 and 222, that multiplied together give a triangular number (136777530 = T₁₆₅₃₉).

The spelling of 616115222 in words is "six hundred sixteen million, one hundred fifteen thousand, two hundred twenty-two".