226640258465 has 8 divisors (see below), whose sum is σ = 271971796200. Its totient is φ = 181309882752.

The previous prime is 226640258431. The next prime is 226640258491. The reversal of 226640258465 is 564852046622.

It can be written as a sum of positive squares in 4 ways, for example, as 44615155729 + 182025102736 = 211223^2 + 426644^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 226640258465 - 2²⁰ = 226639209889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220211 + ... + 708359.

It is an arithmetic number, because the mean of its divisors is an integer number (33996474525).

Almost surely, 2^226640258465 is an apocalyptic number.

It is an amenable number.

226640258465 is a deficient number, since it is larger than the sum of its proper divisors (45331537735).

226640258465 is an equidigital number, since it uses as much as digits as its factorization.

226640258465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581011.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 226640258465 in words is "two hundred twenty-six billion, six hundred forty million, two hundred fifty-eight thousand, four hundred sixty-five".