22221222200122 has 8 divisors (see below), whose sum is σ = 36361999963872. Its totient is φ = 10100555545500.

The previous prime is 22221222200119. The next prime is 22221222200123. The reversal of 22221222200122 is 22100222212222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1010055554551 = 22221222200122 / (2 + 2 + 2 + 2 + 1 + 2 + 2 + 2 + 2 + 0 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22221222200093 and 22221222200102.

It is not an unprimeable number, because it can be changed into a prime (22221222200123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505027777254 + ... + 505027777297.

It is an arithmetic number, because the mean of its divisors is an integer number (4545249995484).

Almost surely, 2^{22221222200122} is an apocalyptic number.

22221222200122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221222200122 is a deficient number, since it is larger than the sum of its proper divisors (14140777763750).

22221222200122 is a wasteful number, since it uses less digits than its factorization.

22221222200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010055554564.

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

Adding to 22221222200122 its reverse (22100222212222), we get a palindrome (44321444412344).

It can be divided in two parts, 2222122 and 2200122, that added together give a palindrome (4422244).

The spelling of 22221222200122 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-two".