32201221986 has 24 divisors (see below), whose sum is σ = 69775029324. Its totient is φ = 10732861440.

The previous prime is 32201221973. The next prime is 32201222029. The reversal of 32201221986 is 68912210223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25112423961 + 7088798025 = 158469^2 + 84195^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32201221986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175390 + ... + 308486.

Almost surely, 2^32201221986 is an apocalyptic number.

32201221986 is an abundant number, since it is smaller than the sum of its proper divisors (37573807338).

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

32201221986 is a wasteful number, since it uses less digits than its factorization.

32201221986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146546 (or 146543 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 32201221986 in words is "thirty-two billion, two hundred one million, two hundred twenty-one thousand, nine hundred eighty-six".