226718821602 has 192 divisors, whose sum is σ = 637132554240. Its totient is φ = 56582064000.

The previous prime is 226718821597. The next prime is 226718821643. The reversal of 226718821602 is 206128817622.

226718821602 is a `hidden beast` number, since 2 + 2 + 6 + 7 + 18 + 8 + 21 + 602 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30838227 + ... + 30845577.

It is an arithmetic number, because the mean of its divisors is an integer number (3318398720).

Almost surely, 2^226718821602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226718821602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318566277120).

226718821602 is an abundant number, since it is smaller than the sum of its proper divisors (410413732638).

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

226718821602 is a wasteful number, since it uses less digits than its factorization.

226718821602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389 (or 8386 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 226718821602 in words is "two hundred twenty-six billion, seven hundred eighteen million, eight hundred twenty-one thousand, six hundred two".