22534214220 has 144 divisors (see below), whose sum is σ = 78155558208. Its totient is φ = 5148241920.

The previous prime is 22534214179. The next prime is 22534214267. The reversal of 22534214220 is 2241243522.

22534214220 is a `hidden beast` number, since 225 + 3 + 4 + 214 + 220 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5311300 + ... + 5315540.

It is an arithmetic number, because the mean of its divisors is an integer number (542746932).

Almost surely, 2^22534214220 is an apocalyptic number.

22534214220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22534214220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39077779104).

22534214220 is an abundant number, since it is smaller than the sum of its proper divisors (55621343988).

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

22534214220 is a wasteful number, since it uses less digits than its factorization.

22534214220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480 (or 8475 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22534214220 its reverse (2241243522), we get a palindrome (24775457742).

The spelling of 22534214220 in words is "twenty-two billion, five hundred thirty-four million, two hundred fourteen thousand, two hundred twenty".