222252242144 has 24 divisors (see below), whose sum is σ = 440243523720. Its totient is φ = 110444363136.

The previous prime is 222252242141. The next prime is 222252242243. The reversal of 222252242144 is 441242252222.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 222252242144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222252242141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21299639 + ... + 21310070.

It is an arithmetic number, because the mean of its divisors is an integer number (18343480155).

Almost surely, 2^222252242144 is an apocalyptic number.

It is an amenable number.

222252242144 is a deficient number, since it is larger than the sum of its proper divisors (217991281576).

222252242144 is a wasteful number, since it uses less digits than its factorization.

222252242144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42609882 (or 42609874 counting only the distinct ones).

The product of its digits is 40960, while the sum is 32.

Adding to 222252242144 its reverse (441242252222), we get a palindrome (663494494366).

The spelling of 222252242144 in words is "two hundred twenty-two billion, two hundred fifty-two million, two hundred forty-two thousand, one hundred forty-four".