32221042320 has 40 divisors (see below), whose sum is σ = 99885231936. Its totient is φ = 8592277888.

The previous prime is 32221042319. The next prime is 32221042339. The reversal of 32221042320 is 2324012223.

It is a tau number, because it is divible by the number of its divisors (40).

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, 67126932 + ... + 67127411.

Almost surely, 2^32221042320 is an apocalyptic number.

32221042320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32221042320 is an abundant number, since it is smaller than the sum of its proper divisors (67664189616).

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

32221042320 is a wasteful number, since it uses less digits than its factorization.

32221042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134254359 (or 134254353 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 32221042320 its reverse (2324012223), we get a palindrome (34545054543).

The spelling of 32221042320 in words is "thirty-two billion, two hundred twenty-one million, forty-two thousand, three hundred twenty".