9222420 has 48 divisors (see below), whose sum is σ = 25962048. Its totient is φ = 2446080.

The previous prime is 9222419. The next prime is 9222431. The reversal of 9222420 is 242229.

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, 16587 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (540876).

Almost surely, 2^9222420 is an apocalyptic number.

It is an amenable number.

9222420 is an abundant number, since it is smaller than the sum of its proper divisors (16739628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9222420 is a wasteful number, since it uses less digits than its factorization.

9222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 9222420 is about 3036.8437562706. The cubic root of 9222420 is about 209.7079841478.

Adding to 9222420 its reverse (242229), we get a palindrome (9464649).

The spelling of 9222420 in words is "nine million, two hundred twenty-two thousand, four hundred twenty".