685061226 has 48 divisors (see below), whose sum is σ = 1620309600. Its totient is φ = 216332208.

The previous prime is 685061183. The next prime is 685061231. The reversal of 685061226 is 622160586.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27861 + ... + 46328.

It is an arithmetic number, because the mean of its divisors is an integer number (33756450).

Almost surely, 2^685061226 is an apocalyptic number.

685061226 is an abundant number, since it is smaller than the sum of its proper divisors (935248374).

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

685061226 is a wasteful number, since it uses less digits than its factorization.

685061226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74225 (or 74213 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 685061226 is about 26173.6742930755. The cubic root of 685061226 is about 881.5422447666.

The spelling of 685061226 in words is "six hundred eighty-five million, sixty-one thousand, two hundred twenty-six".