32221217946 has 16 divisors (see below), whose sum is σ = 65044702944. Its totient is φ = 10640028144.

The previous prime is 32221217939. The next prime is 32221217947. The reversal of 32221217946 is 64971212223.

It is not an unprimeable number, because it can be changed into a prime (32221217947) 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 7 ways as a sum of consecutive naturals, for example, 25093765 + ... + 25095048.

It is an arithmetic number, because the mean of its divisors is an integer number (4065293934).

Almost surely, 2^32221217946 is an apocalyptic number.

32221217946 is an abundant number, since it is smaller than the sum of its proper divisors (32823484998).

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

32221217946 is a wasteful number, since it uses less digits than its factorization.

32221217946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50188925.

The product of its digits is 72576, while the sum is 39.

The spelling of 32221217946 in words is "thirty-two billion, two hundred twenty-one million, two hundred seventeen thousand, nine hundred forty-six".