244420213 has 8 divisors (see below), whose sum is σ = 258173696. Its totient is φ = 231033600.

The previous prime is 244420181. The next prime is 244420247. The reversal of 244420213 is 312024442.

It is a happy number.

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 244420213 - 2⁵ = 244420181 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 (244400213) 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, 90348 + ... + 93013.

It is an arithmetic number, because the mean of its divisors is an integer number (32271712).

Almost surely, 2^244420213 is an apocalyptic number.

It is an amenable number.

244420213 is a deficient number, since it is larger than the sum of its proper divisors (13753483).

244420213 is a wasteful number, since it uses less digits than its factorization.

244420213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183435.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 244420213 is about 15633.9442560091. The cubic root of 244420213 is about 625.2384907439.

Adding to 244420213 its reverse (312024442), we get a palindrome (556444655).

The spelling of 244420213 in words is "two hundred forty-four million, four hundred twenty thousand, two hundred thirteen".