244044421 has 4 divisors (see below), whose sum is σ = 254655072. Its totient is φ = 233433772.

The previous prime is 244044419. The next prime is 244044439. The reversal of 244044421 is 124440442.

244044421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 244044421 - 2¹ = 244044419 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 (244044481) 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, 5305291 + ... + 5305336.

It is an arithmetic number, because the mean of its divisors is an integer number (63663768).

Almost surely, 2^244044421 is an apocalyptic number.

It is an amenable number.

244044421 is a deficient number, since it is larger than the sum of its proper divisors (10610651).

244044421 is a wasteful number, since it uses less digits than its factorization.

244044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610650.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 244044421 is about 15621.9211686655. The cubic root of 244044421 is about 624.9178951345.

Adding to 244044421 its reverse (124440442), we get a palindrome (368484863).

The spelling of 244044421 in words is "two hundred forty-four million, forty-four thousand, four hundred twenty-one".