22221303424444 has 24 divisors (see below), whose sum is σ = 38899624214528. Its totient is φ = 11107125494640.

The previous prime is 22221303424249. The next prime is 22221303424457. The reversal of 22221303424444 is 44442430312222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264097909 + ... + 264182035.

Almost surely, 2^{22221303424444} is an apocalyptic number.

It is an amenable number.

22221303424444 is a deficient number, since it is larger than the sum of its proper divisors (16678320790084).

22221303424444 is a wasteful number, since it uses less digits than its factorization.

22221303424444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104305 (or 104303 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 22221303424444 its reverse (44442430312222), we get a palindrome (66663733736666).

The spelling of 22221303424444 in words is "twenty-two trillion, two hundred twenty-one billion, three hundred three million, four hundred twenty-four thousand, four hundred forty-four".