22222120222000 has 40 divisors (see below), whose sum is σ = 53733086701632. Its totient is φ = 8888848088000.

The previous prime is 22222120221943. The next prime is 22222120222051. The reversal of 22222120222000 is 22202122222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×22222120222000² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5555528056 + ... + 5555532055.

Almost surely, 2^{22222120222000} is an apocalyptic number.

22222120222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222120222000 is an abundant number, since it is smaller than the sum of its proper divisors (31510966479632).

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

22222120222000 is a wasteful number, since it uses less digits than its factorization.

22222120222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111060134 (or 11111060118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22222120222000 its reverse (22202122222), we get a palindrome (22244322344222).

The spelling of 22222120222000 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand".