857132322 has 8 divisors (see below), whose sum is σ = 1714264656. Its totient is φ = 285710772.

The previous prime is 857132261. The next prime is 857132327. The reversal of 857132322 is 223231758.

It is a sphenic number, since it is the product of 3 distinct primes.

857132322 is an admirable number.

It is a super-2 number, since 2×857132322² = 1469351634834223368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (857132327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71427688 + ... + 71427699.

It is an arithmetic number, because the mean of its divisors is an integer number (214283082).

Almost surely, 2^857132322 is an apocalyptic number.

857132322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

857132322 is a wasteful number, since it uses less digits than its factorization.

857132322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142855392.

The product of its digits is 20160, while the sum is 33.

The square root of 857132322 is about 29276.8222660862. The cubic root of 857132322 is about 949.9103597784.

The spelling of 857132322 in words is "eight hundred fifty-seven million, one hundred thirty-two thousand, three hundred twenty-two".