685022268 has 24 divisors (see below), whose sum is σ = 1826726272. Its totient is φ = 195720624.

The previous prime is 685022267. The next prime is 685022279. The reversal of 685022268 is 862220586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685022263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077430 + ... + 4077597.

Almost surely, 2^685022268 is an apocalyptic number.

It is an amenable number.

685022268 is an abundant number, since it is smaller than the sum of its proper divisors (1141704004).

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

685022268 is a wasteful number, since it uses less digits than its factorization.

685022268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155041 (or 8155039 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 685022268 is about 26172.9300614203. The cubic root of 685022268 is about 881.5255339616.

The spelling of 685022268 in words is "six hundred eighty-five million, twenty-two thousand, two hundred sixty-eight".