9955224 has 64 divisors (see below), whose sum is σ = 28044000. Its totient is φ = 3312576.

The previous prime is 9955223. The next prime is 9955241. The reversal of 9955224 is 4225599.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17212 + ... + 17780.

Almost surely, 2^9955224 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 9955224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14022000).

9955224 is an abundant number, since it is smaller than the sum of its proper divisors (18088776).

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

9955224 is an equidigital number, since it uses as much as digits as its factorization.

9955224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 574 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 9955224 is about 3155.1900101262. The cubic root of 9955224 is about 215.1214313129.

The spelling of 9955224 in words is "nine million, nine hundred fifty-five thousand, two hundred twenty-four".