2444122421 has 8 divisors (see below), whose sum is σ = 2634411360. Its totient is φ = 2254159152.

The previous prime is 2444122409. The next prime is 2444122427. The reversal of 2444122421 is 1242214442.

It is a happy number.

2444122421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2444122421 - 2¹⁴ = 2444106037 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 (2444122427) 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, 65711 + ... + 95948.

It is an arithmetic number, because the mean of its divisors is an integer number (329301420).

Almost surely, 2^2444122421 is an apocalyptic number.

It is an amenable number.

2444122421 is a deficient number, since it is larger than the sum of its proper divisors (190288939).

2444122421 is a wasteful number, since it uses less digits than its factorization.

2444122421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162835.

The product of its digits is 4096, while the sum is 26.

The square root of 2444122421 is about 49438.0665176137. The cubic root of 2444122421 is about 1347.0208509113.

Adding to 2444122421 its reverse (1242214442), we get a palindrome (3686336863).

The spelling of 2444122421 in words is "two billion, four hundred forty-four million, one hundred twenty-two thousand, four hundred twenty-one".