22400124134442 has 8 divisors (see below), whose sum is σ = 44800248268896. Its totient is φ = 7466708044812.

The previous prime is 22400124134441. The next prime is 22400124134461. The reversal of 22400124134442 is 24443142100422.

It is a sphenic number, since it is the product of 3 distinct primes.

22400124134442 is an admirable number.

It is a super-2 number, since 2×22400124134442² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22400124134441) 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 3 ways as a sum of consecutive naturals, for example, 1866677011198 + ... + 1866677011209.

It is an arithmetic number, because the mean of its divisors is an integer number (5600031033612).

Almost surely, 2^{22400124134442} is an apocalyptic number.

22400124134442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22400124134442 is a wasteful number, since it uses less digits than its factorization.

22400124134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733354022412.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 22400124134442 its reverse (24443142100422), we get a palindrome (46843266234864).

The spelling of 22400124134442 in words is "twenty-two trillion, four hundred billion, one hundred twenty-four million, one hundred thirty-four thousand, four hundred forty-two".