5223400 has 144 divisors (see below), whose sum is σ = 15584940. Its totient is φ = 1612800.

The previous prime is 5223397. The next prime is 5223409. The reversal of 5223400 is 43225.

It can be written as a sum of positive squares in 6 ways, for example, as 142884 + 5080516 = 378^2 + 2254^2 .

It is not an unprimeable number, because it can be changed into a prime (5223409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 127380 + ... + 127420.

Almost surely, 2^5223400 is an apocalyptic number.

5223400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5223400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7792470).

5223400 is an abundant number, since it is smaller than the sum of its proper divisors (10361540).

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

5223400 is a wasteful number, since it uses less digits than its factorization.

5223400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 5223400 is about 2285.4758804240. The cubic root of 5223400 is about 173.5073039638.

Adding to 5223400 its reverse (43225), we get a palindrome (5266625).

The spelling of 5223400 in words is "five million, two hundred twenty-three thousand, four hundred".