222440616 has 48 divisors (see below), whose sum is σ = 610084800. Its totient is φ = 73206432.

The previous prime is 222440611. The next prime is 222440623. The reversal of 222440616 is 616044222.

222440616 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 40 + 616 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 222440616.

It is not an unprimeable number, because it can be changed into a prime (222440611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13866 + ... + 25241.

It is an arithmetic number, because the mean of its divisors is an integer number (12710100).

Almost surely, 2^222440616 is an apocalyptic number.

It is an amenable number.

222440616 is an abundant number, since it is smaller than the sum of its proper divisors (387644184).

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

222440616 is a wasteful number, since it uses less digits than its factorization.

222440616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39198 (or 39191 counting only the distinct ones).

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

The square root of 222440616 is about 14914.4432011390. The cubic root of 222440616 is about 605.9052232265.

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

The spelling of 222440616 in words is "two hundred twenty-two million, four hundred forty thousand, six hundred sixteen".