852223518 has 40 divisors (see below), whose sum is σ = 1938138312. Its totient is φ = 279831024.

The previous prime is 852223469. The next prime is 852223523. The reversal of 852223518 is 815322258.

852223518 is a `hidden beast` number, since 85 + 222 + 351 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28405 + ... + 50112.

Almost surely, 2^852223518 is an apocalyptic number.

852223518 is an abundant number, since it is smaller than the sum of its proper divisors (1085914794).

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

852223518 is a wasteful number, since it uses less digits than its factorization.

852223518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78598 (or 78589 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 852223518 is about 29192.8675878201. The cubic root of 852223518 is about 948.0935054380.

The spelling of 852223518 in words is "eight hundred fifty-two million, two hundred twenty-three thousand, five hundred eighteen".