244213865 has 16 divisors (see below), whose sum is σ = 335549952. Its totient is φ = 167146944.

The previous prime is 244213847. The next prime is 244213867. The reversal of 244213865 is 568312442.

244213865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 244213865 - 2¹² = 244209769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244213867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13232 + ... + 25758.

It is an arithmetic number, because the mean of its divisors is an integer number (20971872).

Almost surely, 2^244213865 is an apocalyptic number.

It is an amenable number.

244213865 is a deficient number, since it is larger than the sum of its proper divisors (91336087).

244213865 is a wasteful number, since it uses less digits than its factorization.

244213865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096.

The product of its digits is 46080, while the sum is 35.

The square root of 244213865 is about 15627.3435042556. The cubic root of 244213865 is about 625.0624918847.

The spelling of 244213865 in words is "two hundred forty-four million, two hundred thirteen thousand, eight hundred sixty-five".