226515742205 has 4 divisors (see below), whose sum is σ = 271818890652. Its totient is φ = 181212593760.

The previous prime is 226515742177. The next prime is 226515742207. The reversal of 226515742205 is 502247515622.

It is a happy number.

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 56585467129 + 169930275076 = 237877^2 + 412226^2 .

It is not a de Polignac number, because 226515742205 - 2²⁸ = 226247306749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226515742207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22651574216 + ... + 22651574225.

It is an arithmetic number, because the mean of its divisors is an integer number (67954722663).

Almost surely, 2^226515742205 is an apocalyptic number.

It is an amenable number.

226515742205 is a deficient number, since it is larger than the sum of its proper divisors (45303148447).

226515742205 is an equidigital number, since it uses as much as digits as its factorization.

226515742205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45303148446.

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 226515742205 in words is "two hundred twenty-six billion, five hundred fifteen million, seven hundred forty-two thousand, two hundred five".