852400219422 has 32 divisors (see below), whose sum is σ = 1713145940352. Its totient is φ = 282745512864.

The previous prime is 852400219393. The next prime is 852400219423. The reversal of 852400219422 is 224912004258.

It is a happy number.

It is a super-3 number, since 3×852400219422³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852400219423) 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 15 ways as a sum of consecutive naturals, for example, 751693 + ... + 1506599.

It is an arithmetic number, because the mean of its divisors is an integer number (53535810636).

Almost surely, 2^852400219422 is an apocalyptic number.

852400219422 is an abundant number, since it is smaller than the sum of its proper divisors (860745720930).

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

852400219422 is a wasteful number, since it uses less digits than its factorization.

852400219422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755832.

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

The spelling of 852400219422 in words is "eight hundred fifty-two billion, four hundred million, two hundred nineteen thousand, four hundred twenty-two".