222444016 has 40 divisors (see below), whose sum is σ = 438253200. Its totient is φ = 109363200.

The previous prime is 222444011. The next prime is 222444043. The reversal of 222444016 is 610444222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222444011) 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 7 ways as a sum of consecutive naturals, for example, 288880 + ... + 289648.

It is an arithmetic number, because the mean of its divisors is an integer number (10956330).

Almost surely, 2^222444016 is an apocalyptic number.

It is an amenable number.

222444016 is a deficient number, since it is larger than the sum of its proper divisors (215809184).

222444016 is a wasteful number, since it uses less digits than its factorization.

222444016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 222444016 is about 14914.5571841741. The cubic root of 222444016 is about 605.9083102935.

Adding to 222444016 its reverse (610444222), we get a palindrome (832888238).

The spelling of 222444016 in words is "two hundred twenty-two million, four hundred forty-four thousand, sixteen".