852140422 has 32 divisors (see below), whose sum is σ = 1495261440. Its totient is φ = 356672160.

The previous prime is 852140389. The next prime is 852140423. The reversal of 852140422 is 224041258.

It is a super-2 number, since 2×852140422² = 1452286597612676168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852140423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126397 + ... + 132967.

It is an arithmetic number, because the mean of its divisors is an integer number (46726920).

Almost surely, 2^852140422 is an apocalyptic number.

852140422 is a deficient number, since it is larger than the sum of its proper divisors (643121018).

852140422 is a wasteful number, since it uses less digits than its factorization.

852140422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 852140422 is about 29191.4443287755. Note that the first 3 decimals coincide. The cubic root of 852140422 is about 948.0626898374.

The spelling of 852140422 in words is "eight hundred fifty-two million, one hundred forty thousand, four hundred twenty-two".