244331421 has 8 divisors (see below), whose sum is σ = 326699520. Its totient is φ = 162425472.

The previous prime is 244331419. The next prime is 244331441. The reversal of 244331421 is 124133442.

244331421 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 not a de Polignac number, because 244331421 - 2¹ = 244331419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244331391 and 244331400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244331401) 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, 114301 + ... + 116418.

It is an arithmetic number, because the mean of its divisors is an integer number (40837440).

Almost surely, 2^244331421 is an apocalyptic number.

It is an amenable number.

244331421 is a deficient number, since it is larger than the sum of its proper divisors (82368099).

244331421 is a wasteful number, since it uses less digits than its factorization.

244331421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231075.

The product of its digits is 2304, while the sum is 24.

The square root of 244331421 is about 15631.1042796087. The cubic root of 244331421 is about 625.1627701924.

Adding to 244331421 its reverse (124133442), we get a palindrome (368464863).

The spelling of 244331421 in words is "two hundred forty-four million, three hundred thirty-one thousand, four hundred twenty-one".