22240420342 has 8 divisors (see below), whose sum is σ = 38126434896. Its totient is φ = 9531608712.

The previous prime is 22240420283. The next prime is 22240420361. The reversal of 22240420342 is 24302404222.

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

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 3 ways as a sum of consecutive naturals, for example, 794300713 + ... + 794300740.

It is an arithmetic number, because the mean of its divisors is an integer number (4765804362).

Almost surely, 2^22240420342 is an apocalyptic number.

22240420342 is a deficient number, since it is larger than the sum of its proper divisors (15886014554).

22240420342 is a wasteful number, since it uses less digits than its factorization.

22240420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588601462.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22240420342 its reverse (24302404222), we get a palindrome (46542824564).

The spelling of 22240420342 in words is "twenty-two billion, two hundred forty million, four hundred twenty thousand, three hundred forty-two".