222001200120222 has 384 divisors, whose sum is σ = 525528708756480. Its totient is φ = 67513098240000.

The previous prime is 222001200120191. The next prime is 222001200120277. The reversal of 222001200120222 is 222021002100222.

222001200120222 is a `hidden beast` number, since 2 + 2 + 200 + 120 + 0 + 120 + 222 = 666.

222001200120222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 222001200120195 and 222001200120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 138664084222 + ... + 138664085822.

It is an arithmetic number, because the mean of its divisors is an integer number (1368564345720).

Almost surely, 2^{222001200120222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222001200120222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262764354378240).

222001200120222 is an abundant number, since it is smaller than the sum of its proper divisors (303527508636258).

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

222001200120222 is a wasteful number, since it uses less digits than its factorization.

222001200120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480 (or 2477 counting only the distinct ones).

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

Adding to 222001200120222 its reverse (222021002100222), we get a palindrome (444022202220444).

The spelling of 222001200120222 in words is "two hundred twenty-two trillion, one billion, two hundred million, one hundred twenty thousand, two hundred twenty-two".