44622409 has 8 divisors (see below), whose sum is σ = 48335112. Its totient is φ = 40949760.

The previous prime is 44622379. The next prime is 44622419. The reversal of 44622409 is 90422644.

It can be written as a sum of positive squares in 4 ways, for example, as 360000 + 44262409 = 600^2 + 6653^2 .

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 44622409 - 2⁹ = 44621897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44622419) 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 7 ways as a sum of consecutive naturals, for example, 7672 + ... + 12169.

It is an arithmetic number, because the mean of its divisors is an integer number (6041889).

Almost surely, 2^44622409 is an apocalyptic number.

It is an amenable number.

44622409 is a deficient number, since it is larger than the sum of its proper divisors (3712703).

44622409 is a wasteful number, since it uses less digits than its factorization.

44622409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20027.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 44622409 is about 6680.0006736527. Note that the first 3 decimals coincide. The cubic root of 44622409 is about 354.6916823134.

The spelling of 44622409 in words is "forty-four million, six hundred twenty-two thousand, four hundred nine".