226748665632 has 24 divisors (see below), whose sum is σ = 595215247536. Its totient is φ = 75582888512.

The previous prime is 226748665631. The next prime is 226748665667. The reversal of 226748665632 is 236566847622.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (226748665631) 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, 1180982538 + ... + 1180982729.

It is an arithmetic number, because the mean of its divisors is an integer number (24800635314).

Almost surely, 2^226748665632 is an apocalyptic number.

It is an amenable number.

226748665632 is an abundant number, since it is smaller than the sum of its proper divisors (368466581904).

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

226748665632 is a wasteful number, since it uses less digits than its factorization.

226748665632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361965280 (or 2361965272 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 57.

The spelling of 226748665632 in words is "two hundred twenty-six billion, seven hundred forty-eight million, six hundred sixty-five thousand, six hundred thirty-two".