222100210020222 has 96 divisors (see below), whose sum is σ = 491447737123200. Its totient is φ = 72474761041920.

The previous prime is 222100210020191. The next prime is 222100210020349. The reversal of 222100210020222 is 222020012001222.

222100210020222 is a `hidden beast` number, since 2 + 2 + 210 + 0 + 210 + 0 + 20 + 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 = 222100210020195 and 222100210020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1173802779 + ... + 1173991977.

It is an arithmetic number, because the mean of its divisors is an integer number (5119247261700).

Almost surely, 2^{222100210020222} is an apocalyptic number.

222100210020222 is an abundant number, since it is smaller than the sum of its proper divisors (269347527102978).

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

222100210020222 is a wasteful number, since it uses less digits than its factorization.

222100210020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195938 (or 195935 counting only the distinct ones).

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

Adding to 222100210020222 its reverse (222020012001222), we get a palindrome (444120222021444).

The spelling of 222100210020222 in words is "two hundred twenty-two trillion, one hundred billion, two hundred ten million, twenty thousand, two hundred twenty-two".