685714822 has 32 divisors (see below), whose sum is σ = 1175580000. Its totient is φ = 297174528.

The previous prime is 685714817. The next prime is 685714867. The reversal of 685714822 is 228417586.

It is a happy number.

It is a super-2 number, since 2×685714822² = 940409634220983368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219004 + ... + 222112.

It is an arithmetic number, because the mean of its divisors is an integer number (36736875).

Almost surely, 2^685714822 is an apocalyptic number.

685714822 is a deficient number, since it is larger than the sum of its proper divisors (489865178).

685714822 is a wasteful number, since it uses less digits than its factorization.

685714822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640.

The product of its digits is 215040, while the sum is 43.

The square root of 685714822 is about 26186.1570681916. The cubic root of 685714822 is about 881.8225065028.

The spelling of 685714822 in words is "six hundred eighty-five million, seven hundred fourteen thousand, eight hundred twenty-two".