8222251 has 8 divisors (see below), whose sum is σ = 8585264. Its totient is φ = 7866720.

The previous prime is 8222243. The next prime is 8222257. The reversal of 8222251 is 1522228.

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 8222251 - 2³ = 8222243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8222257) 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, 436 + ... + 4078.

It is an arithmetic number, because the mean of its divisors is an integer number (1073158).

Almost surely, 2^8222251 is an apocalyptic number.

8222251 is a deficient number, since it is larger than the sum of its proper divisors (363013).

8222251 is a wasteful number, since it uses less digits than its factorization.

8222251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741.

The product of its digits is 640, while the sum is 22.

The square root of 8222251 is about 2867.4467736996. The cubic root of 8222251 is about 201.8352003576.

Adding to 8222251 its reverse (1522228), we get a palindrome (9744479).

The spelling of 8222251 in words is "eight million, two hundred twenty-two thousand, two hundred fifty-one".