22052404220 has 96 divisors (see below), whose sum is σ = 57872295936. Its totient is φ = 6857395200.

The previous prime is 22052404189. The next prime is 22052404223. The reversal of 22052404220 is 2240425022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052404223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650285 + ... + 683355.

It is an arithmetic number, because the mean of its divisors is an integer number (602836416).

Almost surely, 2^22052404220 is an apocalyptic number.

22052404220 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 22052404220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28936147968).

22052404220 is an abundant number, since it is smaller than the sum of its proper divisors (35819891716).

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

22052404220 is a wasteful number, since it uses less digits than its factorization.

22052404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33531 (or 33529 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 22052404220 its reverse (2240425022), we get a palindrome (24292829242).

The spelling of 22052404220 in words is "twenty-two billion, fifty-two million, four hundred four thousand, two hundred twenty".