222100020012222 has 24 divisors (see below), whose sum is σ = 524963683665720. Its totient is φ = 67303036367280.

The previous prime is 222100020012193. The next prime is 222100020012239. The reversal of 222100020012222 is 222210020001222.

222100020012222 is a `hidden beast` number, since 22 + 210 + 0 + 0 + 200 + 12 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222100020012195 and 222100020012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560858636197 + ... + 560858636592.

It is an arithmetic number, because the mean of its divisors is an integer number (21873486819405).

Almost surely, 2^{222100020012222} is an apocalyptic number.

222100020012222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222100020012222 is an abundant number, since it is smaller than the sum of its proper divisors (302863663653498).

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

222100020012222 is a wasteful number, since it uses less digits than its factorization.

222100020012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121717272808 (or 1121717272805 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222100020012222 its reverse (222210020001222), we get a palindrome (444310040013444).

It can be divided in two parts, 2221000 and 20012222, that added together give a palindrome (22233222).

The spelling of 222100020012222 in words is "two hundred twenty-two trillion, one hundred billion, twenty million, twelve thousand, two hundred twenty-two".