226812765 has 16 divisors (see below), whose sum is σ = 364146048. Its totient is φ = 120551616.

The previous prime is 226812757. The next prime is 226812767. The reversal of 226812765 is 567218622.

It is not a de Polignac number, because 226812765 - 2³ = 226812757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226812767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21409 + ... + 30198.

It is an arithmetic number, because the mean of its divisors is an integer number (22759128).

Almost surely, 2^226812765 is an apocalyptic number.

It is an amenable number.

226812765 is a deficient number, since it is larger than the sum of its proper divisors (137333283).

226812765 is a wasteful number, since it uses less digits than its factorization.

226812765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51908.

The product of its digits is 80640, while the sum is 39.

The square root of 226812765 is about 15060.3042797946. The cubic root of 226812765 is about 609.8492550555.

The spelling of 226812765 in words is "two hundred twenty-six million, eight hundred twelve thousand, seven hundred sixty-five".