244228809 has 8 divisors (see below), whose sum is σ = 355241952. Its totient is φ = 148017440.

The previous prime is 244228799. The next prime is 244228843. The reversal of 244228809 is 908822442.

244228809 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 244228809 - 2⁹ = 244228297 is a prime.

It is a super-2 number, since 2×244228809² = 119295422291116962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244228849) 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, 3700404 + ... + 3700469.

It is an arithmetic number, because the mean of its divisors is an integer number (44405244).

Almost surely, 2^244228809 is an apocalyptic number.

It is an amenable number.

244228809 is a deficient number, since it is larger than the sum of its proper divisors (111013143).

244228809 is a wasteful number, since it uses less digits than its factorization.

244228809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400887.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 244228809 is about 15627.8216332283. The cubic root of 244228809 is about 625.0752412883.

The spelling of 244228809 in words is "two hundred forty-four million, two hundred twenty-eight thousand, eight hundred nine".