2244057521 has 4 divisors (see below), whose sum is σ = 2244198000. Its totient is φ = 2243917044.

The previous prime is 2244057503. The next prime is 2244057523. The reversal of 2244057521 is 1257504422.

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 2244057521 - 2⁶ = 2244057457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2244057523) 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, 42671 + ... + 79428.

It is an arithmetic number, because the mean of its divisors is an integer number (561049500).

Almost surely, 2^2244057521 is an apocalyptic number.

It is an amenable number.

2244057521 is a deficient number, since it is larger than the sum of its proper divisors (140479).

2244057521 is a wasteful number, since it uses less digits than its factorization.

2244057521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140478.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 2244057521 is about 47371.4842600483. The cubic root of 2244057521 is about 1309.2160725542.

The spelling of 2244057521 in words is "two billion, two hundred forty-four million, fifty-seven thousand, five hundred twenty-one".