222010001211222 has 192 divisors, whose sum is σ = 589392666031104. Its totient is φ = 59008853756160.

The previous prime is 222010001211217. The next prime is 222010001211223. The reversal of 222010001211222 is 222112100010222.

It is a happy number.

222010001211222 is a `hidden beast` number, since 2 + 220 + 10 + 0 + 0 + 1 + 211 + 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 = 222010001211195 and 222010001211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010001211223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 254870313 + ... + 255739899.

It is an arithmetic number, because the mean of its divisors is an integer number (3069753468912).

Almost surely, 2^{222010001211222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222010001211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294696333015552).

222010001211222 is an abundant number, since it is smaller than the sum of its proper divisors (367382664819882).

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

222010001211222 is a wasteful number, since it uses less digits than its factorization.

222010001211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872043 (or 872040 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222010001211222 its reverse (222112100010222), we get a palindrome (444122101221444).

The spelling of 222010001211222 in words is "two hundred twenty-two trillion, ten billion, one million, two hundred eleven thousand, two hundred twenty-two".