5621226611 has 32 divisors (see below), whose sum is σ = 7875560448. Its totient is φ = 3867431040.

The previous prime is 5621226607. The next prime is 5621226631. The reversal of 5621226611 is 1166221265.

It is not a de Polignac number, because 5621226611 - 2² = 5621226607 is a prime.

It is a super-2 number, since 2×5621226611² = 63196377224429090642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5621226601) 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, 99056 + ... + 145101.

It is an arithmetic number, because the mean of its divisors is an integer number (246111264).

Almost surely, 2^5621226611 is an apocalyptic number.

5621226611 is a deficient number, since it is larger than the sum of its proper divisors (2254333837).

5621226611 is a wasteful number, since it uses less digits than its factorization.

5621226611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244211.

The product of its digits is 8640, while the sum is 32.

The square root of 5621226611 is about 74974.8398531134. The cubic root of 5621226611 is about 1778.0488879678.

Adding to 5621226611 its reverse (1166221265), we get a palindrome (6787447876).

It can be divided in two parts, 5621 and 226611, that added together give a palindrome (232232).

The spelling of 5621226611 in words is "five billion, six hundred twenty-one million, two hundred twenty-six thousand, six hundred eleven".