44228709 has 24 divisors (see below), whose sum is σ = 74797632. Its totient is φ = 24655680.

The previous prime is 44228693. The next prime is 44228719. The reversal of 44228709 is 90782244.

It is not a de Polignac number, because 44228709 - 2⁴ = 44228693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44228719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5979 + ... + 11144.

It is an arithmetic number, because the mean of its divisors is an integer number (3116568).

Almost surely, 2^44228709 is an apocalyptic number.

It is an amenable number.

44228709 is a deficient number, since it is larger than the sum of its proper divisors (30568923).

44228709 is a wasteful number, since it uses less digits than its factorization.

44228709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17177 (or 17174 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 44228709 is about 6650.4668257198. The cubic root of 44228709 is about 353.6454604173.

It can be divided in two parts, 4422 and 8709, that added together give a palindrome (13131).

The spelling of 44228709 in words is "forty-four million, two hundred twenty-eight thousand, seven hundred nine".