422185887998 has 16 divisors (see below), whose sum is σ = 723756128640. Its totient is φ = 180934586136.

The previous prime is 422185887961. The next prime is 422185888009. The reversal of 422185887998 is 899788581224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565465 + ... + 1815227.

It is an arithmetic number, because the mean of its divisors is an integer number (45234758040).

Almost surely, 2^422185887998 is an apocalyptic number.

422185887998 is a deficient number, since it is larger than the sum of its proper divisors (301570240642).

422185887998 is a wasteful number, since it uses less digits than its factorization.

422185887998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370511.

The product of its digits is 185794560, while the sum is 71.

The spelling of 422185887998 in words is "four hundred twenty-two billion, one hundred eighty-five million, eight hundred eighty-seven thousand, nine hundred ninety-eight".