22424242434 has 64 divisors (see below), whose sum is σ = 51529167360. Its totient is φ = 6434017920.

The previous prime is 22424242433. The next prime is 22424242439. The reversal of 22424242434 is 43424242422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 22424242395 and 22424242404.

It is not an unprimeable number, because it can be changed into a prime (22424242433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2976997 + ... + 2984519.

It is an arithmetic number, because the mean of its divisors is an integer number (805143240).

Almost surely, 2^22424242434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22424242434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25764583680).

22424242434 is an abundant number, since it is smaller than the sum of its proper divisors (29104924926).

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

22424242434 is a wasteful number, since it uses less digits than its factorization.

22424242434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935.

The product of its digits is 98304, while the sum is 33.

Adding to 22424242434 its reverse (43424242422), we get a palindrome (65848484856).

The spelling of 22424242434 in words is "twenty-two billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred thirty-four".