222100444444 has 12 divisors (see below), whose sum is σ = 409132397800. Its totient is φ = 105205473648.

The previous prime is 222100444441. The next prime is 222100444453. The reversal of 222100444444 is 444444001222.

It is a happy number.

222100444444 is a modest number, since divided by 444444 gives 222100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100444441) 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, 1461187059 + ... + 1461187210.

Almost surely, 2^222100444444 is an apocalyptic number.

It is an amenable number.

222100444444 is a deficient number, since it is larger than the sum of its proper divisors (187031953356).

222100444444 is a wasteful number, since it uses less digits than its factorization.

222100444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922374292 (or 2922374290 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 222100444444 its reverse (444444001222), we get a palindrome (666544445666).

The spelling of 222100444444 in words is "two hundred twenty-two billion, one hundred million, four hundred forty-four thousand, four hundred forty-four".