1222122002222 has 16 divisors (see below), whose sum is σ = 2006661393072. Its totient is φ = 553614059520.

The previous prime is 1222122002209. The next prime is 1222122002239. The reversal of 1222122002222 is 2222002212221.

It is a super-2 number, since 2×1222122002222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222122002194 and 1222122002203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94790483 + ... + 94803374.

It is an arithmetic number, because the mean of its divisors is an integer number (125416337067).

Almost surely, 2^{1222122002222} is an apocalyptic number.

1222122002222 is a deficient number, since it is larger than the sum of its proper divisors (784539390850).

1222122002222 is a wasteful number, since it uses less digits than its factorization.

1222122002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189594163.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1222122002222 its reverse (2222002212221), we get a palindrome (3444124214443).

The spelling of 1222122002222 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, two thousand, two hundred twenty-two".