22220101112222 has 48 divisors (see below), whose sum is σ = 36717844196880. Its totient is φ = 10077517921536.

The previous prime is 22220101112221. The next prime is 22220101112227. The reversal of 22220101112222 is 22221110102222.

It is a super-2 number, since 2×22220101112222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22220101112194 and 22220101112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220101112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49171418 + ... + 49621250.

It is an arithmetic number, because the mean of its divisors is an integer number (764955087435).

Almost surely, 2^{22220101112222} is an apocalyptic number.

22220101112222 is a deficient number, since it is larger than the sum of its proper divisors (14497743084658).

22220101112222 is a wasteful number, since it uses less digits than its factorization.

22220101112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452397 (or 452384 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22220101112222 its reverse (22221110102222), we get a palindrome (44441211214444).

The spelling of 22220101112222 in words is "twenty-two trillion, two hundred twenty billion, one hundred one million, one hundred twelve thousand, two hundred twenty-two".