22220011011220 has 96 divisors (see below), whose sum is σ = 50975206636032. Its totient is φ = 8068712400000.

The previous prime is 22220011011119. The next prime is 22220011011241. The reversal of 22220011011220 is 2211011002222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22220011011194 and 22220011011203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548202355 + ... + 548242885.

It is an arithmetic number, because the mean of its divisors is an integer number (530991735792).

Almost surely, 2^{22220011011220} is an apocalyptic number.

22220011011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220011011220 is an abundant number, since it is smaller than the sum of its proper divisors (28755195624812).

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

22220011011220 is a wasteful number, since it uses less digits than its factorization.

22220011011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43973 (or 43971 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22220011011220 its reverse (2211011002222), we get a palindrome (24431022013442).

The spelling of 22220011011220 in words is "twenty-two trillion, two hundred twenty billion, eleven million, eleven thousand, two hundred twenty".