22224412012021 has 8 divisors (see below), whose sum is σ = 22697506229760. Its totient is φ = 21751327560528.

The previous prime is 22224412011961. The next prime is 22224412012039. The reversal of 22224412012021 is 12021021442222.

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 22224412012021 - 2²¹ = 22224409914869 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 (22224412012051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253220 + ... + 7037458.

It is an arithmetic number, because the mean of its divisors is an integer number (2837188278720).

Almost surely, 2^{22224412012021} is an apocalyptic number.

It is an amenable number.

22224412012021 is a deficient number, since it is larger than the sum of its proper divisors (473094217739).

22224412012021 is an equidigital number, since it uses as much as digits as its factorization.

22224412012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883123.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 22224412012021 its reverse (12021021442222), we get a palindrome (34245433454243).

The spelling of 22224412012021 in words is "twenty-two trillion, two hundred twenty-four billion, four hundred twelve million, twelve thousand, twenty-one".