9221222210 has 8 divisors (see below), whose sum is σ = 16598199996. Its totient is φ = 3688488880.

The previous prime is 9221222207. The next prime is 9221222233. The reversal of 9221222210 is 122221229.

It can be written as a sum of positive squares in 2 ways, for example, as 9032791681 + 188430529 = 95041^2 + 13727^2 .

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

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, 461061101 + ... + 461061120.

Almost surely, 2^9221222210 is an apocalyptic number.

9221222210 is a deficient number, since it is larger than the sum of its proper divisors (7376977786).

9221222210 is a wasteful number, since it uses less digits than its factorization.

9221222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922122228.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 9221222210 is about 96027.1951584550. The cubic root of 9221222210 is about 2096.9890493277.

Adding to 9221222210 its reverse (122221229), we get a palindrome (9343443439).

The spelling of 9221222210 in words is "nine billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred ten".