220404422444 has 6 divisors (see below), whose sum is σ = 385707739284. Its totient is φ = 110202211220.

The previous prime is 220404422437. The next prime is 220404422569. The reversal of 220404422444 is 444224404022.

It is a self number, because there is not a number n which added to its sum of digits gives 220404422444.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550552802 + ... + 27550552809.

It is an arithmetic number, because the mean of its divisors is an integer number (64284623214).

Almost surely, 2^220404422444 is an apocalyptic number.

It is an amenable number.

220404422444 is a deficient number, since it is larger than the sum of its proper divisors (165303316840).

220404422444 is a wasteful number, since it uses less digits than its factorization.

220404422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55101105615 (or 55101105613 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 220404422444 its reverse (444224404022), we get a palindrome (664628826466).

The spelling of 220404422444 in words is "two hundred twenty billion, four hundred four million, four hundred twenty-two thousand, four hundred forty-four".