22424421442 has 16 divisors (see below), whose sum is σ = 33744941280. Its totient is φ = 11176165728.

The previous prime is 22424421431. The next prime is 22424421443. The reversal of 22424421442 is 24412442422.

It is not an unprimeable number, because it can be changed into a prime (22424421443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794598 + ... + 822334.

It is an arithmetic number, because the mean of its divisors is an integer number (2109058830).

Almost surely, 2^22424421442 is an apocalyptic number.

22424421442 is a deficient number, since it is larger than the sum of its proper divisors (11320519838).

22424421442 is a wasteful number, since it uses less digits than its factorization.

22424421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29025.

The product of its digits is 32768, while the sum is 31.

Adding to 22424421442 its reverse (24412442422), we get a palindrome (46836863864).

The spelling of 22424421442 in words is "twenty-two billion, four hundred twenty-four million, four hundred twenty-one thousand, four hundred forty-two".