22221122222122 has 16 divisors (see below), whose sum is σ = 34407607680000. Its totient is φ = 10751934427920.

The previous prime is 22221122222119. The next prime is 22221122222129. The reversal of 22221122222122 is 22122222112222.

It is a super-2 number, since 2×22221122222122² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22221122222129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637122 + ... + 6696877.

It is an arithmetic number, because the mean of its divisors is an integer number (2150475480000).

Almost surely, 2^{22221122222122} is an apocalyptic number.

22221122222122 is a deficient number, since it is larger than the sum of its proper divisors (12186485457878).

22221122222122 is a wasteful number, since it uses less digits than its factorization.

22221122222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382901.

The product of its digits is 2048, while the sum is 25.

Adding to 22221122222122 its reverse (22122222112222), we get a palindrome (44343344334344).

The spelling of 22221122222122 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".