22228424464 has 15 divisors (see below), whose sum is σ = 43068727893. Its totient is φ = 11113914048.

The previous prime is 22228424441. The next prime is 22228424467. The reversal of 22228424464 is 46442482222.

The square root of 22228424464 is 149092.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17072035600 + 5156388864 = 130660^2 + 71808^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22228424467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 577732 + ... + 615004.

Almost surely, 2^22228424464 is an apocalyptic number.

22228424464 is the 149092-nd square number.

It is an amenable number.

22228424464 is a deficient number, since it is larger than the sum of its proper divisors (20840303429).

22228424464 is an frugal number, since it uses more digits than its factorization.

22228424464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74554 (or 37275 counting only the distinct ones).

The product of its digits is 393216, while the sum is 40.

The spelling of 22228424464 in words is "twenty-two billion, two hundred twenty-eight million, four hundred twenty-four thousand, four hundred sixty-four".