9222620 has 72 divisors (see below), whose sum is σ = 22075872. Its totient is φ = 3231360.

The previous prime is 9222607. The next prime is 9222623. The reversal of 9222620 is 262229.

It is a happy number.

It is a super-3 number, since 3×9222620³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9222623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89489 + ... + 89591.

Almost surely, 2^9222620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9222620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11037936).

9222620 is an abundant number, since it is smaller than the sum of its proper divisors (12853252).

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

9222620 is a wasteful number, since it uses less digits than its factorization.

9222620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 9222620 is about 3036.8766850170. The cubic root of 9222620 is about 209.7095000656.

Adding to 9222620 its reverse (262229), we get a palindrome (9484849).

The spelling of 9222620 in words is "nine million, two hundred twenty-two thousand, six hundred twenty".