22442324021 has 8 divisors (see below), whose sum is σ = 24169904640. Its totient is φ = 20714921712.

The previous prime is 22442324017. The next prime is 22442324033. The reversal of 22442324021 is 12042324422.

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

It is a cyclic number.

It is not a de Polignac number, because 22442324021 - 2² = 22442324017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442324521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339356 + ... + 400058.

It is an arithmetic number, because the mean of its divisors is an integer number (3021238080).

Almost surely, 2^22442324021 is an apocalyptic number.

It is an amenable number.

22442324021 is a deficient number, since it is larger than the sum of its proper divisors (1727580619).

22442324021 is a wasteful number, since it uses less digits than its factorization.

22442324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89155.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22442324021 its reverse (12042324422), we get a palindrome (34484648443).

The spelling of 22442324021 in words is "twenty-two billion, four hundred forty-two million, three hundred twenty-four thousand, twenty-one".