855198622 has 8 divisors (see below), whose sum is σ = 1288121472. Its totient is φ = 425824800.

The previous prime is 855198599. The next prime is 855198629. The reversal of 855198622 is 226891558.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855198629) 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, 886654 + ... + 887617.

It is an arithmetic number, because the mean of its divisors is an integer number (161015184).

Almost surely, 2^855198622 is an apocalyptic number.

855198622 is a deficient number, since it is larger than the sum of its proper divisors (432922850).

855198622 is a wasteful number, since it uses less digits than its factorization.

855198622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774514.

The product of its digits is 345600, while the sum is 46.

The square root of 855198622 is about 29243.7792017379. The cubic root of 855198622 is about 949.1954858275.

The spelling of 855198622 in words is "eight hundred fifty-five million, one hundred ninety-eight thousand, six hundred twenty-two".