44380221 has 4 divisors (see below), whose sum is σ = 59173632. Its totient is φ = 29586812.

The previous prime is 44380177. The next prime is 44380223. The reversal of 44380221 is 12208344.

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 44380221 - 2⁷ = 44380093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44380191 and 44380200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44380223) 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, 7396701 + ... + 7396706.

It is an arithmetic number, because the mean of its divisors is an integer number (14793408).

Almost surely, 2^44380221 is an apocalyptic number.

It is an amenable number.

44380221 is a deficient number, since it is larger than the sum of its proper divisors (14793411).

44380221 is a wasteful number, since it uses less digits than its factorization.

44380221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14793410.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 44380221 is about 6661.8481669879. The cubic root of 44380221 is about 354.0488218278.

Adding to 44380221 its reverse (12208344), we get a palindrome (56588565).

The spelling of 44380221 in words is "forty-four million, three hundred eighty thousand, two hundred twenty-one".