2236226765 has 4 divisors (see below), whose sum is σ = 2683472124. Its totient is φ = 1788981408.

The previous prime is 2236226749. The next prime is 2236226803. The reversal of 2236226765 is 5676226322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1717024969 + 519201796 = 41437^2 + 22786^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236226765 - 2⁴ = 2236226749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223622672 + ... + 223622681.

It is an arithmetic number, because the mean of its divisors is an integer number (670868031).

Almost surely, 2^2236226765 is an apocalyptic number.

It is an amenable number.

2236226765 is a deficient number, since it is larger than the sum of its proper divisors (447245359).

2236226765 is an equidigital number, since it uses as much as digits as its factorization.

2236226765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447245358.

The product of its digits is 362880, while the sum is 41.

The square root of 2236226765 is about 47288.7593937502. The cubic root of 2236226765 is about 1307.6914384437.

The spelling of 2236226765 in words is "two billion, two hundred thirty-six million, two hundred twenty-six thousand, seven hundred sixty-five".