22557422444 has 6 divisors (see below), whose sum is σ = 39475489284. Its totient is φ = 11278711220.

The previous prime is 22557422443. The next prime is 22557422483. The reversal of 22557422444 is 44422475522.

It is not an unprimeable number, because it can be changed into a prime (22557422443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819677802 + ... + 2819677809.

It is an arithmetic number, because the mean of its divisors is an integer number (6579248214).

Almost surely, 2^22557422444 is an apocalyptic number.

It is an amenable number.

22557422444 is a deficient number, since it is larger than the sum of its proper divisors (16918066840).

22557422444 is a wasteful number, since it uses less digits than its factorization.

22557422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639355615 (or 5639355613 counting only the distinct ones).

The product of its digits is 716800, while the sum is 41.

Adding to 22557422444 its reverse (44422475522), we get a palindrome (66979897966).

The spelling of 22557422444 in words is "twenty-two billion, five hundred fifty-seven million, four hundred twenty-two thousand, four hundred forty-four".