22513434324 has 72 divisors (see below), whose sum is σ = 55505177280. Its totient is φ = 7101364608.

The previous prime is 22513434323. The next prime is 22513434353. The reversal of 22513434324 is 42343431522.

It is a super-2 number, since 2×22513434324² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22513434323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4602472 + ... + 4607360.

It is an arithmetic number, because the mean of its divisors is an integer number (770905240).

Almost surely, 2^22513434324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22513434324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27752588640).

22513434324 is an abundant number, since it is smaller than the sum of its proper divisors (32991742956).

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

22513434324 is a wasteful number, since it uses less digits than its factorization.

22513434324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997 (or 5976 counting only the distinct ones).

The product of its digits is 69120, while the sum is 33.

Adding to 22513434324 its reverse (42343431522), we get a palindrome (64856865846).

The spelling of 22513434324 in words is "twenty-two billion, five hundred thirteen million, four hundred thirty-four thousand, three hundred twenty-four".