9992213 has 8 divisors (see below), whose sum is σ = 12457920. Its totient is φ = 7786080.

The previous prime is 9992207. The next prime is 9992231. The reversal of 9992213 is 3122999.

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 9992213 - 2⁴ = 9992197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992263) 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, 64808 + ... + 64961.

It is an arithmetic number, because the mean of its divisors is an integer number (1557240).

Almost surely, 2^9992213 is an apocalyptic number.

It is an amenable number.

9992213 is a deficient number, since it is larger than the sum of its proper divisors (2465707).

9992213 is a wasteful number, since it uses less digits than its factorization.

9992213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129787.

The product of its digits is 8748, while the sum is 35.

The square root of 9992213 is about 3161.0461875778. The cubic root of 9992213 is about 215.3875325383.

The spelling of 9992213 in words is "nine million, nine hundred ninety-two thousand, two hundred thirteen".