222000044 has 12 divisors (see below), whose sum is σ = 444000144. Its totient is φ = 95142864.

The previous prime is 222000043. The next prime is 222000061. The reversal of 222000044 is 440000222.

It is a happy number.

222000044 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221999992 and 222000028.

It is not an unprimeable number, because it can be changed into a prime (222000043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3964259 + ... + 3964314.

It is an arithmetic number, because the mean of its divisors is an integer number (37000012).

Almost surely, 2^222000044 is an apocalyptic number.

It is an amenable number.

222000044 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.

222000044 is a wasteful number, since it uses less digits than its factorization.

222000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928584 (or 7928582 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 222000044 is about 14899.6659022946. The cubic root of 222000044 is about 605.5049346544.

Adding to 222000044 its reverse (440000222), we get a palindrome (662000266).

The spelling of 222000044 in words is "two hundred twenty-two million, forty-four", and thus it is an aban number.