22230223220 has 36 divisors (see below), whose sum is σ = 47150690412. Its totient is φ = 8803968000.

The previous prime is 22230223201. The next prime is 22230223237. The reversal of 22230223220 is 2232203222.

It can be written as a sum of positive squares in 6 ways, for example, as 8354325604 + 13875897616 = 91402^2 + 117796^2 .

It is a super-2 number, since 2×22230223220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22230223192 and 22230223201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149540 + ... + 258500.

Almost surely, 2^22230223220 is an apocalyptic number.

22230223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22230223220 is an abundant number, since it is smaller than the sum of its proper divisors (24920467192).

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

22230223220 is a wasteful number, since it uses less digits than its factorization.

22230223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109172 (or 109069 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22230223220 its reverse (2232203222), we get a palindrome (24462426442).

The spelling of 22230223220 in words is "twenty-two billion, two hundred thirty million, two hundred twenty-three thousand, two hundred twenty".