857227422 has 8 divisors (see below), whose sum is σ = 1714454856. Its totient is φ = 285742472.

The previous prime is 857227421. The next prime is 857227429. The reversal of 857227422 is 224722758.

It is a happy number.

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

857227422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857227421) 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, 71435613 + ... + 71435624.

It is an arithmetic number, because the mean of its divisors is an integer number (214306857).

Almost surely, 2^857227422 is an apocalyptic number.

857227422 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.

857227422 is a wasteful number, since it uses less digits than its factorization.

857227422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142871242.

The product of its digits is 125440, while the sum is 39.

The square root of 857227422 is about 29278.4463727159. The cubic root of 857227422 is about 949.9454897624.

The spelling of 857227422 in words is "eight hundred fifty-seven million, two hundred twenty-seven thousand, four hundred twenty-two".