9449220 has 96 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 2252160.

The previous prime is 9449201. The next prime is 9449221. The reversal of 9449220 is 229449.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9449221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67911 + ... + 68049.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

Almost surely, 2^9449220 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 9449220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14676480).

9449220 is an abundant number, since it is smaller than the sum of its proper divisors (19903740).

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

9449220 is a wasteful number, since it uses less digits than its factorization.

9449220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9449220 is about 3073.9583601604. The cubic root of 9449220 is about 211.4131449839.

It can be divided in two parts, 9449 and 220, that added together give a palindrome (9669).

The spelling of 9449220 in words is "nine million, four hundred forty-nine thousand, two hundred twenty".