226515742266 has 64 divisors (see below), whose sum is σ = 504889583616. Its totient is φ = 67159632000.

The previous prime is 226515742207. The next prime is 226515742267. The reversal of 226515742266 is 662247515622.

It is not an unprimeable number, because it can be changed into a prime (226515742267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11880441 + ... + 11899491.

It is an arithmetic number, because the mean of its divisors is an integer number (7888899744).

Almost surely, 2^226515742266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226515742266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252444791808).

226515742266 is an abundant number, since it is smaller than the sum of its proper divisors (278373841350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226515742266 is a wasteful number, since it uses less digits than its factorization.

226515742266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22947.

The product of its digits is 2419200, while the sum is 48.

The spelling of 226515742266 in words is "two hundred twenty-six billion, five hundred fifteen million, seven hundred forty-two thousand, two hundred sixty-six".