226761515 has 4 divisors (see below), whose sum is σ = 272113824. Its totient is φ = 181409208.

The previous prime is 226761467. The next prime is 226761533. The reversal of 226761515 is 515167622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226761515 - 2¹⁴ = 226745131 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 22676147 + ... + 22676156.

It is an arithmetic number, because the mean of its divisors is an integer number (68028456).

Almost surely, 2^226761515 is an apocalyptic number.

226761515 is a deficient number, since it is larger than the sum of its proper divisors (45352309).

226761515 is an equidigital number, since it uses as much as digits as its factorization.

226761515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45352308.

The product of its digits is 25200, while the sum is 35.

The square root of 226761515 is about 15058.6026908210. The cubic root of 226761515 is about 609.8033182984.

The spelling of 226761515 in words is "two hundred twenty-six million, seven hundred sixty-one thousand, five hundred fifteen".