857076222 has 16 divisors (see below), whose sum is σ = 1715092992. Its totient is φ = 285535320.

The previous prime is 857076221. The next prime is 857076229. The reversal of 857076222 is 222670758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857076221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27054 + ... + 49457.

It is an arithmetic number, because the mean of its divisors is an integer number (107193312).

Almost surely, 2^857076222 is an apocalyptic number.

857076222 is an abundant number, since it is smaller than the sum of its proper divisors (858016770).

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

857076222 is a wasteful number, since it uses less digits than its factorization.

857076222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78383.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 857076222 is about 29275.8641546240. The cubic root of 857076222 is about 949.8896351938.

The spelling of 857076222 in words is "eight hundred fifty-seven million, seventy-six thousand, two hundred twenty-two".