22424311342421 has 16 divisors (see below), whose sum is σ = 23748441086400. Its totient is φ = 21114649064448.

The previous prime is 22424311342417. The next prime is 22424311342429. The reversal of 22424311342421 is 12424311342422.

It is a cyclic number.

It is not a de Polignac number, because 22424311342421 - 2² = 22424311342417 is a prime.

It is a super-2 number, since 2×22424311342421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424311342429) 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 15 ways as a sum of consecutive naturals, for example, 9405365 + ... + 11545973.

It is an arithmetic number, because the mean of its divisors is an integer number (1484277567900).

Almost surely, 2^{22424311342421} is an apocalyptic number.

It is an amenable number.

22424311342421 is a deficient number, since it is larger than the sum of its proper divisors (1324129743979).

22424311342421 is a wasteful number, since it uses less digits than its factorization.

22424311342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143988.

The product of its digits is 73728, while the sum is 35.

Adding to 22424311342421 its reverse (12424311342422), we get a palindrome (34848622684843).

Subtracting from 22424311342421 its reverse (12424311342422), we obtain a palindrome (9999999999999).

The spelling of 22424311342421 in words is "twenty-two trillion, four hundred twenty-four billion, three hundred eleven million, three hundred forty-two thousand, four hundred twenty-one".