32222431520 has 96 divisors (see below), whose sum is σ = 77186027520. Its totient is φ = 12709831680.

The previous prime is 32222431481. The next prime is 32222431529. The reversal of 32222431520 is 2513422223.

It is a super-2 number, since 2×32222431520² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32222431520.

It is not an unprimeable number, because it can be changed into a prime (32222431529) 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 15 ways as a sum of consecutive naturals, for example, 18592574 + ... + 18594306.

It is an arithmetic number, because the mean of its divisors is an integer number (804021120).

Almost surely, 2^32222431520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32222431520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38593013760).

32222431520 is an abundant number, since it is smaller than the sum of its proper divisors (44963596000).

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

32222431520 is a wasteful number, since it uses less digits than its factorization.

32222431520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 32222431520 its reverse (2513422223), we get a palindrome (34735853743).

The spelling of 32222431520 in words is "thirty-two billion, two hundred twenty-two million, four hundred thirty-one thousand, five hundred twenty".