244021444 has 12 divisors (see below), whose sum is σ = 445604544. Its totient is φ = 116705864.

The previous prime is 244021439. The next prime is 244021469. The reversal of 244021444 is 444120442.

244021444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326112 + ... + 1326295.

It is an arithmetic number, because the mean of its divisors is an integer number (37133712).

Almost surely, 2^244021444 is an apocalyptic number.

It is an amenable number.

244021444 is a deficient number, since it is larger than the sum of its proper divisors (201583100).

244021444 is a wasteful number, since it uses less digits than its factorization.

244021444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652434 (or 2652432 counting only the distinct ones).

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

The square root of 244021444 is about 15621.1857424461. The cubic root of 244021444 is about 624.8982823265.

Adding to 244021444 its reverse (444120442), we get a palindrome (688141886).

The spelling of 244021444 in words is "two hundred forty-four million, twenty-one thousand, four hundred forty-four".