1044224521 has 4 divisors (see below), whose sum is σ = 1066442112. Its totient is φ = 1022006932.

The previous prime is 1044224509. The next prime is 1044224537. The reversal of 1044224521 is 1254224401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1254224401 = 89 ⋅14092409.

It is a cyclic number.

It is not a de Polignac number, because 1044224521 - 2⁹ = 1044224009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044224561) 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, 11108725 + ... + 11108818.

It is an arithmetic number, because the mean of its divisors is an integer number (266610528).

Almost surely, 2^1044224521 is an apocalyptic number.

It is an amenable number.

1044224521 is a deficient number, since it is larger than the sum of its proper divisors (22217591).

1044224521 is an equidigital number, since it uses as much as digits as its factorization.

1044224521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22217590.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1044224521 is about 32314.4630312806. The cubic root of 1044224521 is about 1014.5293816699.

Adding to 1044224521 its reverse (1254224401), we get a palindrome (2298448922).

The spelling of 1044224521 in words is "one billion, forty-four million, two hundred twenty-four thousand, five hundred twenty-one".