868505226 has 16 divisors (see below), whose sum is σ = 1737881184. Its totient is φ = 289356624.

The previous prime is 868505213. The next prime is 868505237. The reversal of 868505226 is 622505868.

It is a super-2 number, since 2×868505226² = 1508602655178622152, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22936 + ... + 47571.

It is an arithmetic number, because the mean of its divisors is an integer number (108617574).

Almost surely, 2^868505226 is an apocalyptic number.

868505226 is an abundant number, since it is smaller than the sum of its proper divisors (869375958).

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

868505226 is a wasteful number, since it uses less digits than its factorization.

868505226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72565.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 868505226 is about 29470.4127219148. The cubic root of 868505226 is about 954.0932251588.

The spelling of 868505226 in words is "eight hundred sixty-eight million, five hundred five thousand, two hundred twenty-six".