22424121340 has 48 divisors (see below), whose sum is σ = 47246220000. Its totient is φ = 8940072960.

The previous prime is 22424121329. The next prime is 22424121341. The reversal of 22424121340 is 4312142422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424121341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13013719 + ... + 13015441.

It is an arithmetic number, because the mean of its divisors is an integer number (984296250).

Almost surely, 2^22424121340 is an apocalyptic number.

22424121340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22424121340 is an abundant number, since it is smaller than the sum of its proper divisors (24822098660).

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

22424121340 is a wasteful number, since it uses less digits than its factorization.

22424121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22424121340 its reverse (4312142422), we get a palindrome (26736263762).

The spelling of 22424121340 in words is "twenty-two billion, four hundred twenty-four million, one hundred twenty-one thousand, three hundred forty".