9102213 has 20 divisors (see below), whose sum is σ = 13741728. Its totient is φ = 6003720.

The previous prime is 9102209. The next prime is 9102229. The reversal of 9102213 is 3122019.

It is a happy number.

It is not a de Polignac number, because 9102213 - 2² = 9102209 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9104213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7798 + ... + 8888.

Almost surely, 2^9102213 is an apocalyptic number.

It is an amenable number.

9102213 is a deficient number, since it is larger than the sum of its proper divisors (4639515).

9102213 is a wasteful number, since it uses less digits than its factorization.

9102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 9102213 is about 3016.9874046804. The cubic root of 9102213 is about 208.7928703471.

The spelling of 9102213 in words is "nine million, one hundred two thousand, two hundred thirteen".