623224 has 32 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 257760.

The previous prime is 623221. The next prime is 623261. The reversal of 623224 is 422326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623221) 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, 1557 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁶²³²²⁴ 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 623224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691200).

623224 is an abundant number, since it is smaller than the sum of its proper divisors (759176).

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

623224 is a wasteful number, since it uses less digits than its factorization.

623224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 399 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 623224 is about 789.4453749310. The cubic root of 623224 is about 85.4177360432.

It can be divided in two parts, 62322 and 4, that added together give a palindrome (62326).

The spelling of 623224 in words is "six hundred twenty-three thousand, two hundred twenty-four".