22211000202222 has 96 divisors (see below), whose sum is σ = 52079237997696. Its totient is φ = 6800725915200.

The previous prime is 22211000202211. The next prime is 22211000202227. The reversal of 22211000202222 is 22220200011222.

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 = 22211000202195 and 22211000202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211000202227) 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, 361930113 + ... + 361991475.

It is an arithmetic number, because the mean of its divisors is an integer number (542492062476).

Almost surely, 2^{22211000202222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211000202222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26039618998848).

22211000202222 is an abundant number, since it is smaller than the sum of its proper divisors (29868237795474).

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

22211000202222 is a wasteful number, since it uses less digits than its factorization.

22211000202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68926 (or 68923 counting only the distinct ones).

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

Adding to 22211000202222 its reverse (22220200011222), we get a palindrome (44431200213444).

The spelling of 22211000202222 in words is "twenty-two trillion, two hundred eleven billion, two hundred two thousand, two hundred twenty-two".