616044222 has 24 divisors (see below), whose sum is σ = 1335219600. Its totient is φ = 205277760.

The previous prime is 616044211. The next prime is 616044223. The reversal of 616044222 is 222440616.

616044222 is a `hidden beast` number, since 616 + 0 + 4 + 42 + 2 + 2 = 666.

616044222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616044223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96279 + ... + 102477.

It is an arithmetic number, because the mean of its divisors is an integer number (55634150).

Almost surely, 2^616044222 is an apocalyptic number.

616044222 is an abundant number, since it is smaller than the sum of its proper divisors (719175378).

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

616044222 is a wasteful number, since it uses less digits than its factorization.

616044222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11728 (or 11725 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 616044222 is about 24820.2381535714. The cubic root of 616044222 is about 850.8845334208.

Adding to 616044222 its reverse (222440616), we get a palindrome (838484838).

The spelling of 616044222 in words is "six hundred sixteen million, forty-four thousand, two hundred twenty-two".