244117247 has 8 divisors (see below), whose sum is σ = 270285312. Its totient is φ = 218611800.

The previous prime is 244117217. The next prime is 244117261. The reversal of 244117247 is 742711442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244117247 - 2²⁰ = 243068671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244117207) 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, 164879 + ... + 166352.

It is an arithmetic number, because the mean of its divisors is an integer number (33785664).

Almost surely, 2^244117247 is an apocalyptic number.

244117247 is a deficient number, since it is larger than the sum of its proper divisors (26168065).

244117247 is a wasteful number, since it uses less digits than its factorization.

244117247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331309.

The product of its digits is 12544, while the sum is 32.

The square root of 244117247 is about 15624.2518860904. The cubic root of 244117247 is about 624.9800501365.

Adding to 244117247 its reverse (742711442), we get a palindrome (986828689).

The spelling of 244117247 in words is "two hundred forty-four million, one hundred seventeen thousand, two hundred forty-seven".