9952218 has 24 divisors (see below), whose sum is σ = 21621600. Its totient is φ = 3308424.

The previous prime is 9952213. The next prime is 9952253. The reversal of 9952218 is 8122599.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9952213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11443 + ... + 12281.

It is an arithmetic number, because the mean of its divisors is an integer number (900900).

Almost surely, 2^9952218 is an apocalyptic number.

9952218 is an abundant number, since it is smaller than the sum of its proper divisors (11669382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9952218 is a wasteful number, since it uses less digits than its factorization.

9952218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1503 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 9952218 is about 3154.7136161623. The cubic root of 9952218 is about 215.0997770163.

The spelling of 9952218 in words is "nine million, nine hundred fifty-two thousand, two hundred eighteen".