44345221 has 8 divisors (see below), whose sum is σ = 48185600. Its totient is φ = 40655520.

The previous prime is 44345209. The next prime is 44345239. The reversal of 44345221 is 12254344.

It is a happy number.

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 44345221 - 2²⁵ = 10790789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44345261) 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, 37056 + ... + 38233.

It is an arithmetic number, because the mean of its divisors is an integer number (6023200).

Almost surely, 2^44345221 is an apocalyptic number.

It is an amenable number.

44345221 is a deficient number, since it is larger than the sum of its proper divisors (3840379).

44345221 is a wasteful number, since it uses less digits than its factorization.

44345221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75339.

The product of its digits is 3840, while the sum is 25.

The square root of 44345221 is about 6659.2207502079. The cubic root of 44345221 is about 353.9557250425.

Adding to 44345221 its reverse (12254344), we get a palindrome (56599565).

The spelling of 44345221 in words is "forty-four million, three hundred forty-five thousand, two hundred twenty-one".