226662306440 has 32 divisors (see below), whose sum is σ = 513044038080. Its totient is φ = 90122016192.

The previous prime is 226662306391. The next prime is 226662306443. The reversal of 226662306440 is 44603266622.

It is not an unprimeable number, because it can be changed into a prime (226662306443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16959062 + ... + 16972421.

It is an arithmetic number, because the mean of its divisors is an integer number (16032626190).

Almost surely, 2^226662306440 is an apocalyptic number.

226662306440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226662306440 is an abundant number, since it is smaller than the sum of its proper divisors (286381731640).

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

226662306440 is a wasteful number, since it uses less digits than its factorization.

226662306440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33931661 (or 33931657 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 226662306440 in words is "two hundred twenty-six billion, six hundred sixty-two million, three hundred six thousand, four hundred forty".