22700423220 has 24 divisors (see below), whose sum is σ = 63561185184. Its totient is φ = 6053446176.

The previous prime is 22700423201. The next prime is 22700423233. The reversal of 22700423220 is 2232400722.

It is a happy number.

It is a congruent number.

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, 189170134 + ... + 189170253.

It is an arithmetic number, because the mean of its divisors is an integer number (2648382716).

Almost surely, 2^22700423220 is an apocalyptic number.

22700423220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22700423220 is an abundant number, since it is smaller than the sum of its proper divisors (40860761964).

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

22700423220 is a wasteful number, since it uses less digits than its factorization.

22700423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378340399 (or 378340397 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

Adding to 22700423220 its reverse (2232400722), we get a palindrome (24932823942).

The spelling of 22700423220 in words is "twenty-two billion, seven hundred million, four hundred twenty-three thousand, two hundred twenty".