22212202221022 has 12 divisors (see below), whose sum is σ = 36622597877208. Its totient is φ = 10096455554900.

The previous prime is 22212202220993. The next prime is 22212202221043. The reversal of 22212202221022 is 22012220221222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22212202220984 and 22212202221002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45892979554 + ... + 45892980037.

It is an arithmetic number, because the mean of its divisors is an integer number (3051883156434).

Almost surely, 2^{22212202221022} is an apocalyptic number.

22212202221022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22212202221022 is a deficient number, since it is larger than the sum of its proper divisors (14410395656186).

22212202221022 is a wasteful number, since it uses less digits than its factorization.

22212202221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91785959615 (or 91785959604 counting only the distinct ones).

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

Adding to 22212202221022 its reverse (22012220221222), we get a palindrome (44224422442244).

The spelling of 22212202221022 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, two hundred twenty-one thousand, twenty-two".