244212137 has 8 divisors (see below), whose sum is σ = 274432704. Its totient is φ = 215625168.

The previous prime is 244212127. The next prime is 244212139. The reversal of 244212137 is 731212442.

244212137 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 a cyclic number.

It is not a de Polignac number, because 244212137 - 2¹⁰ = 244211113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244212139) 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, 408083 + ... + 408680.

It is an arithmetic number, because the mean of its divisors is an integer number (34304088).

Almost surely, 2^244212137 is an apocalyptic number.

It is an amenable number.

244212137 is a deficient number, since it is larger than the sum of its proper divisors (30220567).

244212137 is a wasteful number, since it uses less digits than its factorization.

244212137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816799.

The product of its digits is 2688, while the sum is 26.

The square root of 244212137 is about 15627.2882164501. The cubic root of 244212137 is about 625.0610176161.

Adding to 244212137 its reverse (731212442), we get a palindrome (975424579).

The spelling of 244212137 in words is "two hundred forty-four million, two hundred twelve thousand, one hundred thirty-seven".