6221221226 has 8 divisors (see below), whose sum is σ = 10180180224. Its totient is φ = 2827827820.

The previous prime is 6221221211. The next prime is 6221221261.

6221221226 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6221221195 and 6221221204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141391370 + ... + 141391413.

It is an arithmetic number, because the mean of its divisors is an integer number (1272522528).

Almost surely, 2^6221221226 is an apocalyptic number.

6221221226 is a deficient number, since it is larger than the sum of its proper divisors (3958958998).

6221221226 is a wasteful number, since it uses less digits than its factorization.

6221221226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282782796.

The product of its digits is 2304, while the sum is 26.

The square root of 6221221226 is about 78874.7185478338. The cubic root of 6221221226 is about 1839.1841477975.

It can be divided in two parts, 62212 and 21226, that added together give a palindrome (83438).

The spelling of 6221221226 in words is "six billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-six".