44220111 has 16 divisors (see below), whose sum is σ = 67231584. Its totient is φ = 25611264.

The previous prime is 44220109. The next prime is 44220119. The reversal of 44220111 is 11102244.

It is not a de Polignac number, because 44220111 - 2¹ = 44220109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44220119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32686 + ... + 34011.

It is an arithmetic number, because the mean of its divisors is an integer number (4201974).

Almost surely, 2^44220111 is an apocalyptic number.

44220111 is a deficient number, since it is larger than the sum of its proper divisors (23011473).

44220111 is a wasteful number, since it uses less digits than its factorization.

44220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66730.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 44220111 is about 6649.8203735139. The cubic root of 44220111 is about 353.6225428690.

Adding to 44220111 its reverse (11102244), we get a palindrome (55322355).

The spelling of 44220111 in words is "forty-four million, two hundred twenty thousand, one hundred eleven".