244334421 has 32 divisors (see below), whose sum is σ = 393655680. Its totient is φ = 149154048.

The previous prime is 244334369. The next prime is 244334423. The reversal of 244334421 is 124433442.

It is a happy number.

It is not a de Polignac number, because 244334421 - 2²¹ = 242237269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244334423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9790 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (12301740).

Almost surely, 2^244334421 is an apocalyptic number.

It is an amenable number.

244334421 is a deficient number, since it is larger than the sum of its proper divisors (149321259).

244334421 is a wasteful number, since it uses less digits than its factorization.

244334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14450 (or 14444 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 244334421 is about 15631.2002418240. The cubic root of 244334421 is about 625.1653288490.

Adding to 244334421 its reverse (124433442), we get a palindrome (368767863).

It can be divided in two parts, 2443 and 34421, that added together give a square (36864 = 192²).

The spelling of 244334421 in words is "two hundred forty-four million, three hundred thirty-four thousand, four hundred twenty-one".