22142221042424 has 32 divisors (see below), whose sum is σ = 48729984538080. Its totient is φ = 9233049700224.

The previous prime is 22142221042327. The next prime is 22142221042433. The reversal of 22142221042424 is 42424012224122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 5343197987 + ... + 5343202130.

It is an arithmetic number, because the mean of its divisors is an integer number (1522812016815).

Almost surely, 2^{22142221042424} is an apocalyptic number.

It is an amenable number.

22142221042424 is an abundant number, since it is smaller than the sum of its proper divisors (26587763495656).

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

22142221042424 is a wasteful number, since it uses less digits than its factorization.

22142221042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686400167 (or 10686400163 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 22142221042424 its reverse (42424012224122), we get a palindrome (64566233266546).

The spelling of 22142221042424 in words is "twenty-two trillion, one hundred forty-two billion, two hundred twenty-one million, forty-two thousand, four hundred twenty-four".