223400625 has 40 divisors (see below), whose sum is σ = 425413824. Its totient is φ = 102120000.

The previous prime is 223400563. The next prime is 223400627. The reversal of 223400625 is 526004322.

It is not a de Polignac number, because 223400625 - 2⁹ = 223400113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223400595 and 223400604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223400627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4615 + ... + 21635.

Almost surely, 2^223400625 is an apocalyptic number.

223400625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223400625 is a deficient number, since it is larger than the sum of its proper divisors (202013199).

223400625 is an equidigital number, since it uses as much as digits as its factorization.

223400625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17051 (or 17036 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 223400625 is about 14946.5924210169. The cubic root of 223400625 is about 606.7756273247.

Adding to 223400625 its reverse (526004322), we get a palindrome (749404947).

The spelling of 223400625 in words is "two hundred twenty-three million, four hundred thousand, six hundred twenty-five".