222242200220 has 12 divisors (see below), whose sum is σ = 466708620504. Its totient is φ = 88896880080.

The previous prime is 222242200207. The next prime is 222242200231. The reversal of 222242200220 is 22002242222.

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: 11112110011 = 222242200220 / (2 + 2 + 2 + 2 + 4 + 2 + 2 + 0 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 222242200192 and 222242200201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556054986 + ... + 5556055025.

It is an arithmetic number, because the mean of its divisors is an integer number (38892385042).

Almost surely, 2^222242200220 is an apocalyptic number.

222242200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222242200220 is an abundant number, since it is smaller than the sum of its proper divisors (244466420284).

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

222242200220 is a wasteful number, since it uses less digits than its factorization.

222242200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112110020 (or 11112110018 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 222242200220 its reverse (22002242222), we get a palindrome (244244442442).

The spelling of 222242200220 in words is "two hundred twenty-two billion, two hundred forty-two million, two hundred thousand, two hundred twenty".