32144221232 has 80 divisors (see below), whose sum is σ = 65272584192. Its totient is φ = 15320067840.

The previous prime is 32144221211. The next prime is 32144221237. The reversal of 32144221232 is 23212244123.

It is a super-2 number, since 2×32144221232² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32144221237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7573703 + ... + 7577945.

Almost surely, 2^32144221232 is an apocalyptic number.

It is an amenable number.

32144221232 is an abundant number, since it is smaller than the sum of its proper divisors (33128362960).

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

32144221232 is a wasteful number, since it uses less digits than its factorization.

32144221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546 (or 4540 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

Adding to 32144221232 its reverse (23212244123), we get a palindrome (55356465355).

The spelling of 32144221232 in words is "thirty-two billion, one hundred forty-four million, two hundred twenty-one thousand, two hundred thirty-two".