9220216 has 8 divisors (see below), whose sum is σ = 17287920. Its totient is φ = 4610104.

The previous prime is 9220213. The next prime is 9220219. The reversal of 9220216 is 6120229.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9220213) and next prime (9220219).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576256 + ... + 576271.

It is an arithmetic number, because the mean of its divisors is an integer number (2160990).

Almost surely, 2^9220216 is an apocalyptic number.

It is an amenable number.

9220216 is a deficient number, since it is larger than the sum of its proper divisors (8067704).

9220216 is a wasteful number, since it uses less digits than its factorization.

9220216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152533 (or 1152529 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 9220216 is about 3036.4808578353. The cubic root of 9220216 is about 209.6912772812.

The spelling of 9220216 in words is "nine million, two hundred twenty thousand, two hundred sixteen".