44224561 has 4 divisors (see below), whose sum is σ = 46147392. Its totient is φ = 42301732.

The previous prime is 44224553. The next prime is 44224577. The reversal of 44224561 is 16542244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44224561 - 2³ = 44224553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44224501) 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, 961381 + ... + 961426.

It is an arithmetic number, because the mean of its divisors is an integer number (11536848).

Almost surely, 2^44224561 is an apocalyptic number.

It is an amenable number.

44224561 is a deficient number, since it is larger than the sum of its proper divisors (1922831).

44224561 is a wasteful number, since it uses less digits than its factorization.

44224561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922830.

The product of its digits is 7680, while the sum is 28.

The square root of 44224561 is about 6650.1549606005. The cubic root of 44224561 is about 353.6344044971.

The spelling of 44224561 in words is "forty-four million, two hundred twenty-four thousand, five hundred sixty-one".