22300223220 has 72 divisors (see below), whose sum is σ = 73793472480. Its totient is φ = 5406114240.

The previous prime is 22300223219. The next prime is 22300223299. The reversal of 22300223220 is 2232200322.

22300223220 is a `hidden beast` number, since 22 + 300 + 22 + 322 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22300223193 and 22300223202.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5629390 + ... + 5633349.

It is an arithmetic number, because the mean of its divisors is an integer number (1024909340).

Almost surely, 2^22300223220 is an apocalyptic number.

22300223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22300223220 is an abundant number, since it is smaller than the sum of its proper divisors (51493249260).

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

22300223220 is a wasteful number, since it uses less digits than its factorization.

22300223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11262765 (or 11262760 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22300223220 its reverse (2232200322), we get a palindrome (24532423542).

The spelling of 22300223220 in words is "twenty-two billion, three hundred million, two hundred twenty-three thousand, two hundred twenty".