222111001144 has 16 divisors (see below), whose sum is σ = 417160426320. Its totient is φ = 110868220800.

The previous prime is 222111001037. The next prime is 222111001157. The reversal of 222111001144 is 441100111222.

It is a happy number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23404932 + ... + 23414419.

It is an arithmetic number, because the mean of its divisors is an integer number (26072526645).

Almost surely, 2^222111001144 is an apocalyptic number.

It is an amenable number.

222111001144 is a deficient number, since it is larger than the sum of its proper divisors (195049425176).

222111001144 is a wasteful number, since it uses less digits than its factorization.

222111001144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46819950 (or 46819946 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222111001144 its reverse (441100111222), we get a palindrome (663211112366).

The spelling of 222111001144 in words is "two hundred twenty-two billion, one hundred eleven million, one thousand, one hundred forty-four".