222122222120220 has 96 divisors (see below), whose sum is σ = 642013799970816. Its totient is φ = 57321066835200.

The previous prime is 222122222120207. The next prime is 222122222120231. The reversal of 222122222120220 is 22021222221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139352950 + ... + 140937890.

It is an arithmetic number, because the mean of its divisors is an integer number (6687643749696).

Almost surely, 2^{222122222120220} is an apocalyptic number.

222122222120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122222120220 is an abundant number, since it is smaller than the sum of its proper divisors (419891577850596).

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

222122222120220 is a wasteful number, since it uses less digits than its factorization.

222122222120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660331 (or 1660329 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222122222120220 its reverse (22021222221222), we get a palindrome (244143444341442).

It can be divided in two parts, 2221222221202 and 20, that added together give a palindrome (2221222221222).

The spelling of 222122222120220 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty".