222304232444 has 12 divisors (see below), whose sum is σ = 444608464944. Its totient is φ = 95273242464.

The previous prime is 222304232411. The next prime is 222304232471. The reversal of 222304232444 is 444232403222.

222304232444 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 222304232444.

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, 3969718409 + ... + 3969718464.

It is an arithmetic number, because the mean of its divisors is an integer number (37050705412).

Almost surely, 2^222304232444 is an apocalyptic number.

It is an amenable number.

222304232444 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.

222304232444 is a wasteful number, since it uses less digits than its factorization.

222304232444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939436884 (or 7939436882 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 222304232444 its reverse (444232403222), we get a palindrome (666536635666).

The spelling of 222304232444 in words is "two hundred twenty-two billion, three hundred four million, two hundred thirty-two thousand, four hundred forty-four".