9213922 has 8 divisors (see below), whose sum is σ = 13865436. Its totient is φ = 4592112.

The previous prime is 9213871. The next prime is 9213923. The reversal of 9213922 is 2293129.

9213922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8708401 + 505521 = 2951^2 + 711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9213923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6633 + ... + 7900.

Almost surely, 2^9213922 is an apocalyptic number.

9213922 is a deficient number, since it is larger than the sum of its proper divisors (4651514).

9213922 is a wasteful number, since it uses less digits than its factorization.

9213922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14852.

The product of its digits is 1944, while the sum is 28.

The square root of 9213922 is about 3035.4442837911. Note that the first 3 decimals coincide. The cubic root of 9213922 is about 209.6435525379.

The spelling of 9213922 in words is "nine million, two hundred thirteen thousand, nine hundred twenty-two".