23224400 has 30 divisors (see below), whose sum is σ = 55797582. Its totient is φ = 9289600.

The previous prime is 23224393. The next prime is 23224433. The reversal of 23224400 is 442232.

It can be written as a sum of positive squares in 3 ways, for example, as 222784 + 23001616 = 472^2 + 4796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28631 + ... + 29430.

Almost surely, 2^23224400 is an apocalyptic number.

23224400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23224400 is an abundant number, since it is smaller than the sum of its proper divisors (32573182).

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

23224400 is a wasteful number, since it uses less digits than its factorization.

23224400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58079 (or 58068 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 23224400 is about 4819.1700530278. The cubic root of 23224400 is about 285.3085813294.

Adding to 23224400 its reverse (442232), we get a palindrome (23666632).

The spelling of 23224400 in words is "twenty-three million, two hundred twenty-four thousand, four hundred".