44221111 has 16 divisors (see below), whose sum is σ = 50600448. Its totient is φ = 38253600.

The previous prime is 44221087. The next prime is 44221117. The reversal of 44221111 is 11112244.

It is a happy number.

44221111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44221111 - 2¹⁵ = 44188343 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44221117) 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 15 ways as a sum of consecutive naturals, for example, 69766 + ... + 70396.

It is an arithmetic number, because the mean of its divisors is an integer number (3162528).

Almost surely, 2^44221111 is an apocalyptic number.

44221111 is a deficient number, since it is larger than the sum of its proper divisors (6379337).

44221111 is a wasteful number, since it uses less digits than its factorization.

44221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its digits is 64, while the sum is 16.

The square root of 44221111 is about 6649.8955630897. The cubic root of 44221111 is about 353.6252084727.

Adding to 44221111 its reverse (11112244), we get a palindrome (55333355).

The spelling of 44221111 in words is "forty-four million, two hundred twenty-one thousand, one hundred eleven".