44433221 has 8 divisors (see below), whose sum is σ = 50870400. Its totient is φ = 38018448.

The previous prime is 44433211. The next prime is 44433253. The reversal of 44433221 is 12233444.

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 44433221 - 2¹⁸ = 44171077 is a prime.

It is a super-2 number, since 2×44433221² = 3948622256869682, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44433211) 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, 1106 + ... + 9491.

It is an arithmetic number, because the mean of its divisors is an integer number (6358800).

Almost surely, 2^44433221 is an apocalyptic number.

It is an amenable number.

44433221 is a deficient number, since it is larger than the sum of its proper divisors (6437179).

44433221 is a wasteful number, since it uses less digits than its factorization.

44433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11203.

The product of its digits is 2304, while the sum is 23.

The square root of 44433221 is about 6665.8248551848. The cubic root of 44433221 is about 354.1897038271.

Adding to 44433221 its reverse (12233444), we get a palindrome (56666665).

The spelling of 44433221 in words is "forty-four million, four hundred thirty-three thousand, two hundred twenty-one".