22240444424256 has 42 divisors (see below), whose sum is σ = 63748218307982. Its totient is φ = 7413481474560.

The previous prime is 22240444424249. The next prime is 22240444424311. The reversal of 22240444424256 is 65242444404222.

It can be written as a sum of positive squares in only one way, i.e., 22204678049856 + 35766374400 = 4712184^2 + 189120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19305940765 + ... + 19305941916.

Almost surely, 2^{22240444424256} is an apocalyptic number.

It is an amenable number.

22240444424256 is an abundant number, since it is smaller than the sum of its proper divisors (41507773883726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22240444424256 is a wasteful number, since it uses less digits than its factorization.

22240444424256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38611882699 (or 38611882686 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 45.

Adding to 22240444424256 its reverse (65242444404222), we get a palindrome (87482888828478).

The spelling of 22240444424256 in words is "twenty-two trillion, two hundred forty billion, four hundred forty-four million, four hundred twenty-four thousand, two hundred fifty-six".