5644224466 has 4 divisors (see below), whose sum is σ = 8466336702. Its totient is φ = 2822112232.

The previous prime is 5644224433. The next prime is 5644224563. The reversal of 5644224466 is 6644224465.

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

It can be written as a sum of positive squares in only one way, i.e., 4771908241 + 872316225 = 69079^2 + 29535^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411056115 + ... + 1411056118.

Almost surely, 2^5644224466 is an apocalyptic number.

5644224466 is a deficient number, since it is larger than the sum of its proper divisors (2822112236).

5644224466 is a wasteful number, since it uses less digits than its factorization.

5644224466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822112235.

The product of its digits is 1105920, while the sum is 43.

The square root of 5644224466 is about 75128.0537881822. The cubic root of 5644224466 is about 1780.4704040169.

Subtracting 5644224466 from its reverse (6644224465), we obtain a palindrome (999999999).

It can be divided in two parts, 56442 and 24466, that added together give a palindrome (80908).

The spelling of 5644224466 in words is "five billion, six hundred forty-four million, two hundred twenty-four thousand, four hundred sixty-six".