22220212202122 has 16 divisors (see below), whose sum is σ = 36360446702112. Its totient is φ = 10100068827120.

The previous prime is 22220212202113. The next prime is 22220212202161. The reversal of 22220212202122 is 22120221202222.

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 = 22220212202093 and 22220212202102.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8375188 + ... + 10704400.

It is an arithmetic number, because the mean of its divisors is an integer number (2272527918882).

Almost surely, 2^{22220212202122} is an apocalyptic number.

22220212202122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22220212202122 is a deficient number, since it is larger than the sum of its proper divisors (14140234499990).

22220212202122 is a wasteful number, since it uses less digits than its factorization.

22220212202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762853.

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

Adding to 22220212202122 its reverse (22120221202222), we get a palindrome (44340433404344).

The spelling of 22220212202122 in words is "twenty-two trillion, two hundred twenty billion, two hundred twelve million, two hundred two thousand, one hundred twenty-two".