44222309 has 4 divisors (see below), whose sum is σ = 44236416. Its totient is φ = 44208204.

The previous prime is 44222293. The next prime is 44222323. The reversal of 44222309 is 90322244.

44222309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 44222309 - 2⁴ = 44222293 is a prime.

It is a super-2 number, since 2×44222309² = 3911225226582962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44222359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 9404.

It is an arithmetic number, because the mean of its divisors is an integer number (11059104).

Almost surely, 2^44222309 is an apocalyptic number.

It is an amenable number.

44222309 is a deficient number, since it is larger than the sum of its proper divisors (14107).

44222309 is an equidigital number, since it uses as much as digits as its factorization.

44222309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14106.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 44222309 is about 6649.9856390822. The cubic root of 44222309 is about 353.6284018131.

The spelling of 44222309 in words is "forty-four million, two hundred twenty-two thousand, three hundred nine".