9216142 has 32 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 3859968.

The previous prime is 9216139. The next prime is 9216157. The reversal of 9216142 is 2416129.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12459 + ... + 13177.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^9216142 is an apocalyptic number.

9216142 is a deficient number, since it is larger than the sum of its proper divisors (7113458).

9216142 is a wasteful number, since it uses less digits than its factorization.

9216142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its digits is 864, while the sum is 25.

The square root of 9216142 is about 3035.8099413501. The cubic root of 9216142 is about 209.6603883404.

The spelling of 9216142 in words is "nine million, two hundred sixteen thousand, one hundred forty-two".