223415125 has 16 divisors (see below), whose sum is σ = 281307312. Its totient is φ = 177139200.

The previous prime is 223415119. The next prime is 223415177. The reversal of 223415125 is 521514322.

It can be written as a sum of positive squares in 8 ways, for example, as 94206436 + 129208689 = 9706^2 + 11367^2 .

It is not a de Polignac number, because 223415125 - 2¹⁷ = 223284053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223415125.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6217 + ... + 22033.

It is an arithmetic number, because the mean of its divisors is an integer number (17581707).

Almost surely, 2^223415125 is an apocalyptic number.

223415125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223415125 is a deficient number, since it is larger than the sum of its proper divisors (57892187).

223415125 is a wasteful number, since it uses less digits than its factorization.

223415125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945 (or 15935 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 223415125 is about 14947.0774735398. The cubic root of 223415125 is about 606.7887547966.

Adding to 223415125 its reverse (521514322), we get a palindrome (744929447).

The spelling of 223415125 in words is "two hundred twenty-three million, four hundred fifteen thousand, one hundred twenty-five".