2222024424421 has 4 divisors (see below), whose sum is σ = 2244931892812. Its totient is φ = 2199116956032.

The previous prime is 2222024424371. The next prime is 2222024424437. The reversal of 2222024424421 is 1244244202222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1208702348100 + 1013322076321 = 1099410^2 + 1006639^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222024424421 - 2⁹ = 2222024423909 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 (2222024424481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11453734050 + ... + 11453734243.

It is an arithmetic number, because the mean of its divisors is an integer number (561232973203).

Almost surely, 2^{2222024424421} is an apocalyptic number.

It is an amenable number.

2222024424421 is a deficient number, since it is larger than the sum of its proper divisors (22907468391).

2222024424421 is an equidigital number, since it uses as much as digits as its factorization.

2222024424421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22907468390.

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

Adding to 2222024424421 its reverse (1244244202222), we get a palindrome (3466268626643).

The spelling of 2222024424421 in words is "two trillion, two hundred twenty-two billion, twenty-four million, four hundred twenty-four thousand, four hundred twenty-one".