223125515 has 8 divisors (see below), whose sum is σ = 267933408. Its totient is φ = 178378560.

The previous prime is 223125509. The next prime is 223125517. The reversal of 223125515 is 515521322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223125515 - 2¹² = 223121419 is a prime.

It is a super-3 number, since 3×223125515³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223125517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6746 + ... + 22175.

It is an arithmetic number, because the mean of its divisors is an integer number (33491676).

Almost surely, 2^223125515 is an apocalyptic number.

223125515 is a deficient number, since it is larger than the sum of its proper divisors (44807893).

223125515 is a wasteful number, since it uses less digits than its factorization.

223125515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30469.

The product of its digits is 3000, while the sum is 26.

The square root of 223125515 is about 14937.3864849243. The cubic root of 223125515 is about 606.5264507426.

Adding to 223125515 its reverse (515521322), we get a palindrome (738646837).

The spelling of 223125515 in words is "two hundred twenty-three million, one hundred twenty-five thousand, five hundred fifteen".