222200011220 has 24 divisors (see below), whose sum is σ = 509040026208. Its totient is φ = 80800004000.

The previous prime is 222200011213. The next prime is 222200011223. The reversal of 222200011220 is 22110002222.

It is a junction number, because it is equal to n+sod(n) for n = 222200011195 and 222200011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200011223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504999806 + ... + 505000245.

It is an arithmetic number, because the mean of its divisors is an integer number (21210001092).

Almost surely, 2^222200011220 is an apocalyptic number.

222200011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200011220 is an abundant number, since it is smaller than the sum of its proper divisors (286840014988).

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

222200011220 is a wasteful number, since it uses less digits than its factorization.

222200011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010000071 (or 1010000069 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222200011220 its reverse (22110002222), we get a palindrome (244310013442).

The spelling of 222200011220 in words is "two hundred twenty-two billion, two hundred million, eleven thousand, two hundred twenty".