22421202220 has 24 divisors (see below), whose sum is σ = 47290143600. Its totient is φ = 8929315392.

The previous prime is 22421202211. The next prime is 22421202239. The reversal of 22421202220 is 2220212422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443150 + ... + 2452309.

It is an arithmetic number, because the mean of its divisors is an integer number (1970422650).

Almost surely, 2^22421202220 is an apocalyptic number.

22421202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22421202220 is an abundant number, since it is smaller than the sum of its proper divisors (24868941380).

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

22421202220 is a wasteful number, since it uses less digits than its factorization.

22421202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895697 (or 4895695 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22421202220 its reverse (2220212422), we get a palindrome (24641414642).

The spelling of 22421202220 in words is "twenty-two billion, four hundred twenty-one million, two hundred two thousand, two hundred twenty".