222220210110220 has 72 divisors (see below), whose sum is σ = 545182066001664. Its totient is φ = 75862791454464.

The previous prime is 222220210110209. The next prime is 222220210110257. The reversal of 222220210110220 is 22011012022222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 486371052 + ... + 486827731.

It is an arithmetic number, because the mean of its divisors is an integer number (7571973138912).

Almost surely, 2^{222220210110220} is an apocalyptic number.

222220210110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220210110220 is an abundant number, since it is smaller than the sum of its proper divisors (322961855891444).

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

222220210110220 is a wasteful number, since it uses less digits than its factorization.

222220210110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973199039 (or 973199030 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222220210110220 its reverse (22011012022222), we get a palindrome (244231222132442).

The spelling of 222220210110220 in words is "two hundred twenty-two trillion, two hundred twenty billion, two hundred ten million, one hundred ten thousand, two hundred twenty".