22442135320 has 32 divisors (see below), whose sum is σ = 55085242320. Its totient is φ = 8160776320.

The previous prime is 22442135267. The next prime is 22442135321. The reversal of 22442135320 is 2353124422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442135321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25501987 + ... + 25502866.

Almost surely, 2^22442135320 is an apocalyptic number.

22442135320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442135320 is an abundant number, since it is smaller than the sum of its proper divisors (32643107000).

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

22442135320 is a wasteful number, since it uses less digits than its factorization.

22442135320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51004875 (or 51004871 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22442135320 its reverse (2353124422), we get a palindrome (24795259742).

The spelling of 22442135320 in words is "twenty-two billion, four hundred forty-two million, one hundred thirty-five thousand, three hundred twenty".