22424344220 has 12 divisors (see below), whose sum is σ = 47091122904. Its totient is φ = 8969737680.

The previous prime is 22424344213. The next prime is 22424344231. The reversal of 22424344220 is 2244342422.

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, 560608586 + ... + 560608625.

It is an arithmetic number, because the mean of its divisors is an integer number (3924260242).

Almost surely, 2^22424344220 is an apocalyptic number.

22424344220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22424344220 is an abundant number, since it is smaller than the sum of its proper divisors (24666778684).

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

22424344220 is a wasteful number, since it uses less digits than its factorization.

22424344220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121217220 (or 1121217218 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 22424344220 its reverse (2244342422), we get a palindrome (24668686642).

The spelling of 22424344220 in words is "twenty-two billion, four hundred twenty-four million, three hundred forty-four thousand, two hundred twenty".