222213411220 has 12 divisors (see below), whose sum is σ = 466648163604. Its totient is φ = 88885364480.

The previous prime is 222213411181. The next prime is 222213411221. The reversal of 222213411220 is 22114312222.

It can be written as a sum of positive squares in 2 ways, for example, as 67344402064 + 154869009156 = 259508^2 + 393534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222213411191 and 222213411200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213411221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555335261 + ... + 5555335300.

It is an arithmetic number, because the mean of its divisors is an integer number (38887346967).

Almost surely, 2^222213411220 is an apocalyptic number.

222213411220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222213411220 is an abundant number, since it is smaller than the sum of its proper divisors (244434752384).

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

222213411220 is a wasteful number, since it uses less digits than its factorization.

222213411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110670570 (or 11110670568 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 222213411220 its reverse (22114312222), we get a palindrome (244327723442).

The spelling of 222213411220 in words is "two hundred twenty-two billion, two hundred thirteen million, four hundred eleven thousand, two hundred twenty".