6221624053 has 4 divisors (see below), whose sum is σ = 6225710688. Its totient is φ = 6217537420.

The previous prime is 6221624029. The next prime is 6221624093. The reversal of 6221624053 is 3504261226.

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 6221624053 - 2¹³ = 6221615861 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221624023) 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, 2041033 + ... + 2044078.

It is an arithmetic number, because the mean of its divisors is an integer number (1556427672).

Almost surely, 2^6221624053 is an apocalyptic number.

It is an amenable number.

6221624053 is a deficient number, since it is larger than the sum of its proper divisors (4086635).

6221624053 is a wasteful number, since it uses less digits than its factorization.

6221624053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086634.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 6221624053 is about 78877.2720940576. The cubic root of 6221624053 is about 1839.2238429535.

Adding to 6221624053 its reverse (3504261226), we get a palindrome (9725885279).

The spelling of 6221624053 in words is "six billion, two hundred twenty-one million, six hundred twenty-four thousand, fifty-three".