223724425 has 24 divisors (see below), whose sum is σ = 283169376. Its totient is φ = 175309440.

The previous prime is 223724407. The next prime is 223724447. The reversal of 223724425 is 524427322.

223724425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223724425 - 2¹¹ = 223722377 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283882 + ... + 284668.

It is an arithmetic number, because the mean of its divisors is an integer number (11798724).

Almost surely, 2^223724425 is an apocalyptic number.

223724425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223724425 is a deficient number, since it is larger than the sum of its proper divisors (59444951).

223724425 is a wasteful number, since it uses less digits than its factorization.

223724425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1012 counting only the distinct ones).

The product of its digits is 26880, while the sum is 31.

The square root of 223724425 is about 14957.4203992533. The cubic root of 223724425 is about 607.0686421726.

It can be divided in two parts, 2237 and 24425, that added together give a palindrome (26662).

The spelling of 223724425 in words is "two hundred twenty-three million, seven hundred twenty-four thousand, four hundred twenty-five".