226415865 has 16 divisors (see below), whose sum is σ = 390132288. Its totient is φ = 111466176.

The previous prime is 226415857. The next prime is 226415867. The reversal of 226415865 is 568514622.

It is not a de Polignac number, because 226415865 - 2³ = 226415857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (226415867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580359 + ... + 580748.

It is an arithmetic number, because the mean of its divisors is an integer number (24383268).

Almost surely, 2^226415865 is an apocalyptic number.

It is an amenable number.

226415865 is a deficient number, since it is larger than the sum of its proper divisors (163716423).

226415865 is a wasteful number, since it uses less digits than its factorization.

226415865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161128.

The product of its digits is 115200, while the sum is 39.

The square root of 226415865 is about 15047.1214855201. The cubic root of 226415865 is about 609.4933219813.

The spelling of 226415865 in words is "two hundred twenty-six million, four hundred fifteen thousand, eight hundred sixty-five".