616445322 has 8 divisors (see below), whose sum is σ = 1232890656. Its totient is φ = 205481772.

The previous prime is 616445311. The next prime is 616445327. The reversal of 616445322 is 223544616.

616445322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

616445322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (616445327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51370438 + ... + 51370449.

It is an arithmetic number, because the mean of its divisors is an integer number (154111332).

Almost surely, 2^616445322 is an apocalyptic number.

616445322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616445322 is a wasteful number, since it uses less digits than its factorization.

616445322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102740892.

The product of its digits is 34560, while the sum is 33.

The square root of 616445322 is about 24828.3169385281. The cubic root of 616445322 is about 851.0691607202.

Adding to 616445322 its reverse (223544616), we get a palindrome (839989938).

It can be divided in two parts, 61644 and 5322, that added together give a palindrome (66966).

The spelling of 616445322 in words is "six hundred sixteen million, four hundred forty-five thousand, three hundred twenty-two".