32220404424 has 256 divisors, whose sum is σ = 98068320000. Its totient is φ = 9742436352.

The previous prime is 32220404413. The next prime is 32220404449. The reversal of 32220404424 is 42440402223.

32220404424 is a `hidden beast` number, since 32 + 2 + 204 + 0 + 4 + 424 = 666.

It is a super-2 number, since 2×32220404424² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57229567 + ... + 57230129.

It is an arithmetic number, because the mean of its divisors is an integer number (383079375).

Almost surely, 2^32220404424 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 32220404424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49034160000).

32220404424 is an abundant number, since it is smaller than the sum of its proper divisors (65847915576).

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

32220404424 is a wasteful number, since it uses less digits than its factorization.

32220404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 32220404424 its reverse (42440402223), we get a palindrome (74660806647).

The spelling of 32220404424 in words is "thirty-two billion, two hundred twenty million, four hundred four thousand, four hundred twenty-four".