8622221429 has 8 divisors (see below), whose sum is σ = 8709543768. Its totient is φ = 8534937600.

The previous prime is 8622221417. The next prime is 8622221431. The reversal of 8622221429 is 9241222268.

It can be written as a sum of positive squares in 4 ways, for example, as 4070695204 + 4551526225 = 63802^2 + 67465^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8622221429 - 2⁸ = 8622221173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8622221392 and 8622221401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8627221429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706709 + ... + 718805.

It is an arithmetic number, because the mean of its divisors is an integer number (1088692971).

Almost surely, 2^8622221429 is an apocalyptic number.

It is an amenable number.

8622221429 is a deficient number, since it is larger than the sum of its proper divisors (87322339).

8622221429 is a wasteful number, since it uses less digits than its factorization.

8622221429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19255.

The product of its digits is 55296, while the sum is 38.

The square root of 8622221429 is about 92855.9175766413. The cubic root of 8622221429 is about 2050.5627191281.

The spelling of 8622221429 in words is "eight billion, six hundred twenty-two million, two hundred twenty-one thousand, four hundred twenty-nine".