44421135 has 16 divisors (see below), whose sum is σ = 77535360. Its totient is φ = 21537440.

The previous prime is 44421133. The next prime is 44421149. The reversal of 44421135 is 53112444.

It is not a de Polignac number, because 44421135 - 2¹ = 44421133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421131) 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, 134445 + ... + 134774.

It is an arithmetic number, because the mean of its divisors is an integer number (4845960).

Almost surely, 2^44421135 is an apocalyptic number.

44421135 is a deficient number, since it is larger than the sum of its proper divisors (33114225).

44421135 is a wasteful number, since it uses less digits than its factorization.

44421135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269238.

The product of its digits is 1920, while the sum is 24.

The square root of 44421135 is about 6664.9182290558. The cubic root of 44421135 is about 354.1575872797.

Adding to 44421135 its reverse (53112444), we get a palindrome (97533579).

The spelling of 44421135 in words is "forty-four million, four hundred twenty-one thousand, one hundred thirty-five".