44122009 has 4 divisors (see below), whose sum is σ = 46444240. Its totient is φ = 41799780.

The previous prime is 44121949. The next prime is 44122037. The reversal of 44122009 is 90022144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44122009 - 2²⁵ = 10567577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44122409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161087 + ... + 1161124.

It is an arithmetic number, because the mean of its divisors is an integer number (11611060).

Almost surely, 2^44122009 is an apocalyptic number.

It is an amenable number.

44122009 is a deficient number, since it is larger than the sum of its proper divisors (2322231).

44122009 is a wasteful number, since it uses less digits than its factorization.

44122009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322230.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 44122009 is about 6642.4399884380. The cubic root of 44122009 is about 353.3608462220.

The spelling of 44122009 in words is "forty-four million, one hundred twenty-two thousand, nine".