222003223220 has 12 divisors (see below), whose sum is σ = 466206768804. Its totient is φ = 88801289280.

The previous prime is 222003223187. The next prime is 222003223223. The reversal of 222003223220 is 22322300222.

222003223220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135381315364 + 86621907856 = 367942^2 + 294316^2 .

It is a super-2 number, since 2×222003223220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11100161161 = 222003223220 / (2 + 2 + 2 + 0 + 0 + 3 + 2 + 2 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 222003223192 and 222003223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222003223223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550080561 + ... + 5550080600.

It is an arithmetic number, because the mean of its divisors is an integer number (38850564067).

Almost surely, 2^222003223220 is an apocalyptic number.

222003223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222003223220 is an abundant number, since it is smaller than the sum of its proper divisors (244203545584).

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

222003223220 is a wasteful number, since it uses less digits than its factorization.

222003223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100161170 (or 11100161168 counting only the distinct ones).

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

Adding to 222003223220 its reverse (22322300222), we get a palindrome (244325523442).

The spelling of 222003223220 in words is "two hundred twenty-two billion, three million, two hundred twenty-three thousand, two hundred twenty".