22200110222220 has 144 divisors (see below), whose sum is σ = 77059946134080. Its totient is φ = 5067746247168.

The previous prime is 22200110222197. The next prime is 22200110222299. The reversal of 22200110222220 is 2222201100222.

22200110222220 is a `hidden beast` number, since 2 + 220 + 0 + 1 + 1 + 0 + 222 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22200110222193 and 22200110222202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10422615 + ... + 12370574.

It is an arithmetic number, because the mean of its divisors is an integer number (535138514820).

Almost surely, 2^{22200110222220} is an apocalyptic number.

22200110222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200110222220 is an abundant number, since it is smaller than the sum of its proper divisors (54859835911860).

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

22200110222220 is a wasteful number, since it uses less digits than its factorization.

22200110222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22793984 (or 22793979 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22200110222220 its reverse (2222201100222), we get a palindrome (24422311322442).

The spelling of 22200110222220 in words is "twenty-two trillion, two hundred billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty".