22425423424 has 28 divisors (see below), whose sum is σ = 44510875164. Its totient is φ = 11210084864.

The previous prime is 22425423421. The next prime is 22425423437. The reversal of 22425423424 is 42432452422.

It can be written as a sum of positive squares in 2 ways, for example, as 10551398400 + 11874025024 = 102720^2 + 108968^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22425423424.

It is not an unprimeable number, because it can be changed into a prime (22425423421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250302 + ... + 327874.

It is an arithmetic number, because the mean of its divisors is an integer number (1589674113).

Almost surely, 2^22425423424 is an apocalyptic number.

It is an amenable number.

22425423424 is a deficient number, since it is larger than the sum of its proper divisors (22085451740).

22425423424 is an equidigital number, since it uses as much as digits as its factorization.

22425423424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82102 (or 82092 counting only the distinct ones).

The product of its digits is 122880, while the sum is 34.

Adding to 22425423424 its reverse (42432452422), we get a palindrome (64857875846).

The spelling of 22425423424 in words is "twenty-two billion, four hundred twenty-five million, four hundred twenty-three thousand, four hundred twenty-four".