242220404444 has 6 divisors (see below), whose sum is σ = 423885707784. Its totient is φ = 121110202220.

The previous prime is 242220404389. The next prime is 242220404473. The reversal of 242220404444 is 444404022242.

It is a self number, because there is not a number n which added to its sum of digits gives 242220404444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30277550552 + ... + 30277550559.

It is an arithmetic number, because the mean of its divisors is an integer number (70647617964).

Almost surely, 2^242220404444 is an apocalyptic number.

It is an amenable number.

242220404444 is a deficient number, since it is larger than the sum of its proper divisors (181665303340).

242220404444 is a wasteful number, since it uses less digits than its factorization.

242220404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60555101115 (or 60555101113 counting only the distinct ones).

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

Adding to 242220404444 its reverse (444404022242), we get a palindrome (686624426686).

The spelling of 242220404444 in words is "two hundred forty-two billion, two hundred twenty million, four hundred four thousand, four hundred forty-four".