6226621653 has 32 divisors (see below), whose sum is σ = 9869156352. Its totient is φ = 3416961600.

The previous prime is 6226621601. The next prime is 6226621657. The reversal of 6226621653 is 3561266226.

It is not a de Polignac number, because 6226621653 - 2⁶ = 6226621589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6226621657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48775 + ... + 121787.

It is an arithmetic number, because the mean of its divisors is an integer number (308411136).

Almost surely, 2^6226621653 is an apocalyptic number.

It is an amenable number.

6226621653 is a deficient number, since it is larger than the sum of its proper divisors (3642534699).

6226621653 is a wasteful number, since it uses less digits than its factorization.

6226621653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73185.

The product of its digits is 155520, while the sum is 39.

The square root of 6226621653 is about 78908.9453294112. The cubic root of 6226621653 is about 1839.7161712684.

Adding to 6226621653 its reverse (3561266226), we get a palindrome (9787887879).

The spelling of 6226621653 in words is "six billion, two hundred twenty-six million, six hundred twenty-one thousand, six hundred fifty-three".