6224644427 has 4 divisors (see below), whose sum is σ = 6225214776. Its totient is φ = 6224074080.

The previous prime is 6224644409. The next prime is 6224644453. The reversal of 6224644427 is 7244464226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7244464226 = 2 ⋅3622232113.

It is a cyclic number.

It is not a de Polignac number, because 6224644427 - 2⁸ = 6224644171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6224644487) 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, 268478 + ... + 290739.

It is an arithmetic number, because the mean of its divisors is an integer number (1556303694).

Almost surely, 2^6224644427 is an apocalyptic number.

6224644427 is a deficient number, since it is larger than the sum of its proper divisors (570349).

6224644427 is a wasteful number, since it uses less digits than its factorization.

6224644427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570348.

The product of its digits is 516096, while the sum is 41.

The square root of 6224644427 is about 78896.4158057893. The cubic root of 6224644427 is about 1839.5214204097.

The spelling of 6224644427 in words is "six billion, two hundred twenty-four million, six hundred forty-four thousand, four hundred twenty-seven".