222211002122220 has 96 divisors (see below), whose sum is σ = 639472191599808. Its totient is φ = 57612753902592.

The previous prime is 222211002122113. The next prime is 222211002122273. The reversal of 222211002122220 is 22221200112222.

It is a super-2 number, since 2×222211002122220² (a number of 29 digits) contains 22 as substring.

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, 33403159 + ... + 39499278.

It is an arithmetic number, because the mean of its divisors is an integer number (6661168662498).

Almost surely, 2^{222211002122220} is an apocalyptic number.

222211002122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211002122220 is an abundant number, since it is smaller than the sum of its proper divisors (417261189477588).

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

222211002122220 is a wasteful number, since it uses less digits than its factorization.

222211002122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72903859 (or 72903857 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222211002122220 its reverse (22221200112222), we get a palindrome (244432202234442).

It can be divided in two parts, 222211002 and 122220, that added together give a palindrome (222333222).

The spelling of 222211002122220 in words is "two hundred twenty-two trillion, two hundred eleven billion, two million, one hundred twenty-two thousand, two hundred twenty".