44013223 has 4 divisors (see below), whose sum is σ = 44293720. Its totient is φ = 43732728.

The previous prime is 44013181. The next prime is 44013241. The reversal of 44013223 is 32231044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44013223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44013223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44013293) 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, 140013 + ... + 140326.

It is an arithmetic number, because the mean of its divisors is an integer number (11073430).

Almost surely, 2^44013223 is an apocalyptic number.

44013223 is a deficient number, since it is larger than the sum of its proper divisors (280497).

44013223 is a wasteful number, since it uses less digits than its factorization.

44013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280496.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 44013223 is about 6634.2462269650. The cubic root of 44013223 is about 353.0701949875.

Adding to 44013223 its reverse (32231044), we get a palindrome (76244267).

The spelling of 44013223 in words is "forty-four million, thirteen thousand, two hundred twenty-three".