222112220222020 has 48 divisors (see below), whose sum is σ = 466665695612928. Its totient is φ = 88801080036480.

The previous prime is 222112220221949. The next prime is 222112220222047. The reversal of 222112220222020 is 20222022211222.

It is a super-2 number, since 2×222112220222020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222112220221982 and 222112220222000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467275594 + ... + 467750686.

It is an arithmetic number, because the mean of its divisors is an integer number (9722201991936).

Almost surely, 2^{222112220222020} is an apocalyptic number.

222112220222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112220222020 is an abundant number, since it is smaller than the sum of its proper divisors (244553475390908).

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

222112220222020 is a wasteful number, since it uses less digits than its factorization.

222112220222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486580 (or 486578 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222112220222020 its reverse (20222022211222), we get a palindrome (242334242433242).

The spelling of 222112220222020 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, twenty".