1222002211222 has 8 divisors (see below), whose sum is σ = 1974003572016. Its totient is φ = 564001020552.

The previous prime is 1222002211211. The next prime is 1222002211351. The reversal of 1222002211222 is 2221122002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1222002211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23500042498 + ... + 23500042549.

It is an arithmetic number, because the mean of its divisors is an integer number (246750446502).

Almost surely, 2^{1222002211222} is an apocalyptic number.

1222002211222 is a deficient number, since it is larger than the sum of its proper divisors (752001360794).

1222002211222 is a wasteful number, since it uses less digits than its factorization.

1222002211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47000085062.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1222002211222 its reverse (2221122002221), we get a palindrome (3443124213443).

The spelling of 1222002211222 in words is "one trillion, two hundred twenty-two billion, two million, two hundred eleven thousand, two hundred twenty-two".