8222890229 has 4 divisors (see below), whose sum is σ = 8275265484. Its totient is φ = 8170514976.

The previous prime is 8222890223. The next prime is 8222890237. The reversal of 8222890229 is 9220982228.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5639709604 + 2583180625 = 75098^2 + 50825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8222890229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8222890229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222890223) 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, 26187392 + ... + 26187705.

It is an arithmetic number, because the mean of its divisors is an integer number (2068816371).

Almost surely, 2^8222890229 is an apocalyptic number.

It is an amenable number.

8222890229 is a deficient number, since it is larger than the sum of its proper divisors (52375255).

8222890229 is a wasteful number, since it uses less digits than its factorization.

8222890229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52375254.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 8222890229 is about 90680.1534460546. The cubic root of 8222890229 is about 2018.4043070019.

The spelling of 8222890229 in words is "eight billion, two hundred twenty-two million, eight hundred ninety thousand, two hundred twenty-nine".