9162220 has 24 divisors (see below), whose sum is σ = 19354608. Its totient is φ = 3643200.

The previous prime is 9162203. The next prime is 9162221. The reversal of 9162220 is 222619.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9162191 and 9162200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9162221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355 + ... + 4885.

It is an arithmetic number, because the mean of its divisors is an integer number (806442).

Almost surely, 2^9162220 is an apocalyptic number.

It is an amenable number.

9162220 is an abundant number, since it is smaller than the sum of its proper divisors (10192388).

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

9162220 is a wasteful number, since it uses less digits than its factorization.

9162220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2719 counting only the distinct ones).

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

The square root of 9162220 is about 3026.9159221888. The cubic root of 9162220 is about 209.2506931248.

Adding to 9162220 its reverse (222619), we get a palindrome (9384839).

It can be divided in two parts, 916 and 2220, that added together give a square (3136 = 56²).

The spelling of 9162220 in words is "nine million, one hundred sixty-two thousand, two hundred twenty".