22102100220222 has 96 divisors (see below), whose sum is σ = 56809329748704. Its totient is φ = 6133260902400.

The previous prime is 22102100220203. The next prime is 22102100220223. The reversal of 22102100220222 is 22202200120122.

22102100220222 is a `hidden beast` number, since 2 + 2 + 10 + 210 + 0 + 220 + 222 = 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 = 22102100220195 and 22102100220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102100220223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88608979 + ... + 88858062.

It is an arithmetic number, because the mean of its divisors is an integer number (591763851549).

Almost surely, 2^{22102100220222} is an apocalyptic number.

22102100220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22102100220222 is an abundant number, since it is smaller than the sum of its proper divisors (34707229528482).

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

22102100220222 is a wasteful number, since it uses less digits than its factorization.

22102100220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177467114 (or 177467111 counting only the distinct ones).

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

Adding to 22102100220222 its reverse (22202200120122), we get a palindrome (44304300340344).

It can be divided in two parts, 22102100 and 220222, that added together give a palindrome (22322322).

The spelling of 22102100220222 in words is "twenty-two trillion, one hundred two billion, one hundred million, two hundred twenty thousand, two hundred twenty-two".