32221421152 has 24 divisors (see below), whose sum is σ = 65623370400. Its totient is φ = 15555168384.

The previous prime is 32221421137. The next prime is 32221421231. The reversal of 32221421152 is 25112412223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17359752 + ... + 17361607.

It is an arithmetic number, because the mean of its divisors is an integer number (2734307100).

Almost surely, 2^32221421152 is an apocalyptic number.

32221421152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32221421152 is an abundant number, since it is smaller than the sum of its proper divisors (33401949248).

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

32221421152 is a wasteful number, since it uses less digits than its factorization.

32221421152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34721398 (or 34721390 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

Adding to 32221421152 its reverse (25112412223), we get a palindrome (57333833375).

The spelling of 32221421152 in words is "thirty-two billion, two hundred twenty-one million, four hundred twenty-one thousand, one hundred fifty-two".