22442024021 has 4 divisors (see below), whose sum is σ = 23623183200. Its totient is φ = 21260864844.

The previous prime is 22442024009. The next prime is 22442024041. The reversal of 22442024021 is 12042024422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22442024021 - 2³⁰ = 21368282197 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 (22442024041) 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 3 ways as a sum of consecutive naturals, for example, 590579561 + ... + 590579598.

It is an arithmetic number, because the mean of its divisors is an integer number (5905795800).

Almost surely, 2^22442024021 is an apocalyptic number.

It is an amenable number.

22442024021 is a deficient number, since it is larger than the sum of its proper divisors (1181159179).

22442024021 is a wasteful number, since it uses less digits than its factorization.

22442024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181159178.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22442024021 its reverse (12042024422), we get a palindrome (34484048443).

The spelling of 22442024021 in words is "twenty-two billion, four hundred forty-two million, twenty-four thousand, twenty-one".